comctl32: Constify some variables (12 of 12)

[Andrew Talbot]

Changelog:
    comctl32: Constify some variables.

diff -urN a/dlls/comctl32/string.c b/dlls/comctl32/string.c
--- a/dlls/comctl32/string.c	2007-03-08 17:37:16.000000000 +0000
+++ b/dlls/comctl32/string.c	2007-03-31 16:20:59.000000000 +0100
@@ -427,7 +427,7 @@
  *   The signed integer value represented by the string, or 0 if no integer is
  *   present.
  */
-INT WINAPI StrToIntA (LPSTR lpszStr)
+INT WINAPI StrToIntA (LPCSTR lpszStr)
 {
     return atoi(lpszStr);
 }
@@ -449,7 +449,7 @@
  *
  * See StrToIntA.
  */
-INT WINAPI StrToIntW (LPWSTR lpString)
+INT WINAPI StrToIntW (LPCWSTR lpString)
 {
     return atoiW(lpString);
 }