BaseTools: Clean up source files

1. Do not use tab characters
2. No trailing white space in one line
3. All files must end with CRLF

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

BaseTools/Source/C/Common/CommonLib.h

@@ -451,14 +451,14 @@ SplitStr (
 /*++
 
 Routine Description:
-  Convert FileName to the long file path, which can support larger than 260 length. 
+  Convert FileName to the long file path, which can support larger than 260 length.
 
 Arguments:
-  FileName         - FileName. 
+  FileName         - FileName.
 
 Returns:
   LongFilePath      A pointer to the converted long file path.
-  
+
 --*/
 
 #ifdef __cplusplus