patch-git: Avoid trailing tabs in changelog (RHEL-140227)

The RPM Lua function print puts tabs between its arguments.

Resolves: RHEL-140227

patch-git.lua

@@ -1923,7 +1923,7 @@ if rpm then
          for j=1,#cl do
 	    -- RPM does not recursively macro-expand what we emit here,
 	    -- so do not apply %-escaping.
-            print(cl[j], '\n')
+            print(cl[j] .. '\n')
          end
          print('\n')
       end