mscms/tests: Write-strings warnings fix

[Andrew Talbot]

Changelog:
    mscms/tests: Write-strings warnings fix.

diff -urN a/dlls/mscms/tests/profile.c b/dlls/mscms/tests/profile.c
--- a/dlls/mscms/tests/profile.c	2006-06-14 12:54:25.000000000 +0100
+++ b/dlls/mscms/tests/profile.c	2006-07-20 21:52:24.000000000 +0100
@@ -446,7 +446,7 @@
 
 typedef struct colorspace_description_struct {
     DWORD dwID;
-    char *szName;
+    const char *szName;
     BOOL registered;
     char filename[MAX_PATH];
 } colorspace_descr;