Fix XGROUP CREATE MKSTREAM handling of .
Fix XGROUP CREATE MKSTREAM handling of .

PKRoma/redis,soloestoy/redis,spinlock/redis,pmem/redis,spinlock/redis,spinlock/redis,soveran/redis,pmem/redis,neomantra/redis,antirez/redis,oranagra/redis,charsyam/redis,soloestoy/redis,yossigo/redis,nnog/redis,pmem/redis,oranagra/redis,yossigo/redis,nnog/redis,oranagra/redis,oranagra/redis,soveran/redis,nnog/redis,soloestoy/redis,yossigo/redis,antirez/redis,ctripcorp/redis,neomantra/redis,ofirluzon/redis,ctripcorp/redis,oranagra/redis,PKRoma/redis,soveran/redis,neomantra/redis,charsyam/redis,ofirluzon/redis,ctripcorp/redis,ofirluzon/redis,soloestoy/redis,nnog/redis,spinlock/redis,yossigo/redis,neomantra/redis,ctripcorp/redis,charsyam/redis,neomantra/redis,pmem/redis,PKRoma/redis,yossigo/redis,soloestoy/redis,ofirluzon/redis,antirez/redis,charsyam/redis,PKRoma/redis,ofirluzon/redis,charsyam/redis,soveran/redis,PKRoma/redis,antirez/redis