chore(rpm): rpmbuild short rebuild options

Author: leviramsey

completions/rpm

@@ -309,7 +309,7 @@ _comp_cmd_rpmbuild()
                 ext='@(t?(ar.)@([gx]z|bz?(2))|tar?(.@(lzma|Z)))'
                 break
                 ;;
-            --rebuild | --recompile)
+            -r? | --rebuild | --recompile)
                 ext='@(?(no)src.r|s)pm'
                 break
                 ;;