Fix rebase-bump-commit script
Fix rebase-bump-commit script

Trim whitespace from wc's output before constructing arguments to `git rebase`

Signed-off-by: Aanand Prasad <94fc4f3e3d0be608b3ed7b8529ff28d2a445cce1@gmail.com>

LuisBosquez/docker.github.io,andrewgee/compose,alexisbellido/docker.github.io,BSWANG/denverdino.github.io,alexisbellido/docker.github.io,anweiss/docker.github.io,LuisBosquez/docker.github.io,phiroict/docker,alexisbellido/docker.github.io,bdwill/docker.github.io,shin-/docker.github.io,funkyfuture/docker-compose,docker-zh/docker.github.io,aduermael/docker.github.io,dnephin/compose,troy0820/docker.github.io,docker-zh/docker.github.io,mdaue/compose,shin-/compose,sanscontext/docker.github.io,shin-/compose,GM-Alex/compose,mdaue/compose,thaJeztah/compose,joeuo/docker.github.io,troy0820/docker.github.io,shin-/docker.github.io,jzwlqx/denverdino.github.io,jrabbit/compose,johnstep/docker.github.io,sdurrheimer/compose,londoncalling/docker.github.io,docker/docker.github.io,JimGalasyn/docker.github.io,denverdino/docker.github.io,dbdd4us/compose,shin-/docker.github.io,shubheksha/docker.github.io,joaofnfernandes/docker.github.io,swoopla/compose,jzwlqx/denverdino.github.io,phiroict/docker,denverdino/compose,jzwlqx/denverdino.github.io,denverdino/compose,andrewgee/compose,menglingwei/denverdino.github.io,londoncalling/docker.github.io,dnephin/compose,danix800/docker.github.io,BSWANG/denverdino.github.io,londoncalling/docker.github.io,LuisBosquez/docker.github.io,michael-k/docker-compose,joaofnfernandes/docker.github.io,vdemeester/compose,shubheksha/docker.github.io,LuisBosquez/docker.github.io,joeuo/docker.github.io,thaJeztah/docker.github.io,rillig/docker.github.io,rillig/docker.github.io,alexisbellido/docker.github.io,KalleDK/compose,thaJeztah/docker.github.io,jrabbit/compose,phiroict/docker,anweiss/docker.github.io,twitherspoon/compose,thaJeztah/docker.github.io,vdemeester/compose,docker/docker.github.io,dbdd4us/compose,joaofnfernandes/docker.github.io,menglingwei/denverdino.github.io,anweiss/docker.github.io,aduermael/docker.github.io,moxiegirl/compose,bdwill/docker.github.io,denverdino/docker.github.io,thaJeztah/compose,sanscontext/docker.github.io,sanscontext/docker.github.io,twitherspoon/compose,menglingwei/denverdino.github.io,gdevillele/docker.github.io,thaJeztah/docker.github.io,gdevillele/docker.github.io,johnstep/docker.github.io,londoncalling/docker.github.io,bdwill/docker.github.io,shubheksha/docker.github.io,danix800/docker.github.io,BSWANG/denverdino.github.io,docker/docker.github.io,BSWANG/denverdino.github.io,LuisBosquez/docker.github.io,docker-zh/docker.github.io,denverdino/docker.github.io,docker-zh/docker.github.io,tiry/compose,funkyfuture/docker-compose,aduermael/docker.github.io,menglingwei/denverdino.github.io,denverdino/denverdino.github.io,rillig/docker.github.io,troy0820/docker.github.io,troy0820/docker.github.io,anweiss/docker.github.io,gdevillele/docker.github.io,johnstep/docker.github.io,londoncalling/docker.github.io,gdevillele/docker.github.io,JimGalasyn/docker.github.io,JimGalasyn/docker.github.io,denverdino/denverdino.github.io,hoogenm/compose,joaofnfernandes/docker.github.io,shin-/docker.github.io,moxiegirl/compose,sanscontext/docker.github.io,rillig/docker.github.io,docker/docker.github.io,danix800/docker.github.io,menglingwei/denverdino.github.io,shubheksha/docker.github.io,docker/docker.github.io,KalleDK/compose,anweiss/docker.github.io,michael-k/docker-compose,gdevillele/docker.github.io,thaJeztah/docker.github.io,JimGalasyn/docker.github.io,danix800/docker.github.io,denverdino/docker.github.io,hoogenm/compose,schmunk42/compose,GM-Alex/compose,jzwlqx/denverdino.github.io,bdwill/docker.github.io,phiroict/docker,joeuo/docker.github.io,docker-zh/docker.github.io,denverdino/docker.github.io,johnstep/docker.github.io,bdwill/docker.github.io,swoopla/compose,shin-/docker.github.io,denverdino/denverdino.github.io,schmunk42/compose,alexisbellido/docker.github.io,denverdino/denverdino.github.io,joeuo/docker.github.io,johnstep/docker.github.io,aduermael/docker.github.io,joaofnfernandes/docker.github.io,joeuo/docker.github.io,shubheksha/docker.github.io,phiroict/docker,JimGalasyn/docker.github.io,sdurrheimer/compose,jzwlqx/denverdino.github.io,BSWANG/denverdino.github.io,sanscontext/docker.github.io,denverdino/denverdino.github.io,tiry/compose