Improve c2man Documented-Total count. Changes:
- add missing description
- add missing returns section
- complete missing A/W pairs
- reformate comments, to match c2man requirements

diff --git a/dlls/kernel/file.c b/dlls/kernel/file.c
index aaeda62..0ce11d3 100644
--- a/dlls/kernel/file.c
+++ b/dlls/kernel/file.c
@@ -1397,6 +1397,8 @@
 
 /*************************************************************************
  *              CreateFileA              (KERNEL32.@)
+ *
+ * See CreateFileW.
  */
 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
                            LPSECURITY_ATTRIBUTES sa, DWORD creation,
@@ -1976,6 +1978,8 @@
 /******************************************************************************
  *           GetCompressedFileSizeW   (KERNEL32.@)
  *
+ * Get the actual number of bytes used on disk.
+ *
  * RETURNS
  *    Success: Low-order doubleword of number of bytes
  *    Failure: INVALID_FILE_SIZE
@@ -2023,6 +2027,8 @@
 
 /******************************************************************************
  *           GetCompressedFileSizeA   (KERNEL32.@)
+ *
+ * See GetCompressedFileSizeW.
  */
 DWORD WINAPI GetCompressedFileSizeA( LPCSTR name, LPDWORD size_high )
 {