msvfw32: Make it easier to recognize missing media codecs

[Bruno Jesus]

Sample output for Indeo 3.2:
err:msvideo:ICLocate Required media codec 'vidc iv32' not found!
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diff --git a/dlls/msvfw32/msvideo_main.c b/dlls/msvfw32/msvideo_main.c
index b6b7507..db56fdf 100644
--- a/dlls/msvfw32/msvideo_main.c
+++ b/dlls/msvfw32/msvideo_main.c
@@ -649,8 +649,8 @@ HIC VFWAPI ICLocate(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn,
     if (fccType == streamtypeVIDEO) 
         return ICLocate(ICTYPE_VIDEO, fccHandler, lpbiIn, lpbiOut, wMode);
     
-    WARN("(%s,%s,%p,%p,0x%04x) not found!\n",
-         wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
+    ERR("Required media codec '%s %s' not found!\n",
+         wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler));
     return 0;
 }