BaseTools: Adjust the spaces around commas and colons

Based on "futurize -f lib2to3.fixes.fix_ws_comma"

Contributed-under: TianoCore Contribution Agreement 1.1
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Gary Lin <glin@suse.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

BaseTools/gcc/mingw-gcc-build.py

@@ -186,7 +186,7 @@ class Config:
         return path
 
     def MakeDirs(self):
-        for path in (self.src_dir, self.build_dir,self.prefix, self.symlinks):
+        for path in (self.src_dir, self.build_dir, self.prefix, self.symlinks):
             if not os.path.exists(path):
                 os.makedirs(path)