Fix installation script for RHEL
Fix installation script for RHEL

the previous fix changed the lsb_dist variable
too early. We only normalize to "centos"
for the repository-location, so changing
it just before that.

Signed-off-by: Sebastiaan van Stijn <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@gone.nl>
(cherry picked from commit 73d5f0648e430a74cd05ff9fd335611ddc6dd2a1)

gdevillele/docker.github.io,shubheksha/docker.github.io,Shopify/docker,troy0820/docker.github.io,jzwlqx/denverdino.github.io,jzwlqx/denverdino.github.io,phiroict/docker,denverdino/docker.github.io,docker-zh/docker.github.io,sanscontext/docker.github.io,medallia/docker,bdwill/docker.github.io,shin-/docker.github.io,sanscontext/docker.github.io,menglingwei/denverdino.github.io,JimGalasyn/docker.github.io,stainboy/docker,bdwill/docker.github.io,shin-/docker.github.io,denverdino/docker.github.io,docker/docker.github.io,gdevillele/docker.github.io,anweiss/docker.github.io,aduermael/docker.github.io,joeuo/docker.github.io,LuisBosquez/docker.github.io,thaJeztah/docker.github.io,medallia/docker,bdwill/docker.github.io,denverdino/docker.github.io,shubheksha/docker.github.io,menglingwei/denverdino.github.io,BSWANG/denverdino.github.io,denverdino/denverdino.github.io,medallia/docker,joaofnfernandes/docker.github.io,aduermael/docker.github.io,BSWANG/denverdino.github.io,menglingwei/denverdino.github.io,docker-zh/docker.github.io,denverdino/denverdino.github.io,LuisBosquez/docker.github.io,docker/docker.github.io,gdevillele/docker.github.io,aduermael/docker.github.io,phiroict/docker,troy0820/docker.github.io,denverdino/denverdino.github.io,LuisBosquez/docker.github.io,rillig/docker.github.io,LuisBosquez/docker.github.io,thaJeztah/docker.github.io,anweiss/docker.github.io,joaofnfernandes/docker.github.io,docker/docker.github.io,rillig/docker.github.io,menglingwei/denverdino.github.io,JimGalasyn/docker.github.io,shin-/docker.github.io,anweiss/docker.github.io,johnstep/docker.github.io,johnstep/docker.github.io,LuisBosquez/docker.github.io,bdwill/docker.github.io,jzwlqx/denverdino.github.io,londoncalling/docker.github.io,shubheksha/docker.github.io,stainboy/docker,joaofnfernandes/docker.github.io,docker/docker.github.io,docker-zh/docker.github.io,docker-zh/docker.github.io,denverdino/denverdino.github.io,denverdino/docker.github.io,shubheksha/docker.github.io,londoncalling/docker.github.io,joeuo/docker.github.io,shin-/docker.github.io,anweiss/docker.github.io,joeuo/docker.github.io,gdevillele/docker.github.io,danix800/docker.github.io,phiroict/docker,danix800/docker.github.io,thaJeztah/docker.github.io,BSWANG/denverdino.github.io,stainboy/docker,rillig/docker.github.io,gdevillele/docker.github.io,menglingwei/denverdino.github.io,londoncalling/docker.github.io,Shopify/docker,alexisbellido/docker.github.io,johnstep/docker.github.io,rillig/docker.github.io,sanscontext/docker.github.io,shubheksha/docker.github.io,johnstep/docker.github.io,troy0820/docker.github.io,londoncalling/docker.github.io,JimGalasyn/docker.github.io,phiroict/docker,docker-zh/docker.github.io,phiroict/docker,jzwlqx/denverdino.github.io,thaJeztah/docker.github.io,joeuo/docker.github.io,johnstep/docker.github.io,joaofnfernandes/docker.github.io,BSWANG/denverdino.github.io,danix800/docker.github.io,troy0820/docker.github.io,Shopify/docker,JimGalasyn/docker.github.io,anweiss/docker.github.io,BSWANG/denverdino.github.io,alexisbellido/docker.github.io,joaofnfernandes/docker.github.io,denverdino/denverdino.github.io,denverdino/docker.github.io,jzwlqx/denverdino.github.io,danix800/docker.github.io,alexisbellido/docker.github.io,sanscontext/docker.github.io,joeuo/docker.github.io,thaJeztah/docker.github.io,londoncalling/docker.github.io,JimGalasyn/docker.github.io,aduermael/docker.github.io,bdwill/docker.github.io,alexisbellido/docker.github.io,medallia/docker,sanscontext/docker.github.io,docker/docker.github.io,shin-/docker.github.io,alexisbellido/docker.github.io