glsl: Generalize MSVC fix for strcasecmp().

This will let us use strcasecmp() from anywhere inside Mesa without
having to worry about the fact that it doesn't exist in MSVC.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/glsl/glsl_parser.yy

@@ -66,14 +66,8 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
     */
    if (state->es_shader)
       return strcmp(s1, s2);
-   else {
-#if defined(_MSC_VER)
-      /* MSVC doesn't have a strcasecmp() function; instead it has _stricmp. */
-      return _stricmp(s1, s2);
-#else
+   else
       return strcasecmp(s1, s2);
-#endif
-   }
 }
 %}
 

src/mesa/main/imports.h

@@ -141,6 +141,7 @@ static inline float acoshf(float x) { return logf(x + sqrtf(x * x - 1.0f)); }
 static inline float atanhf(float x) { return (logf(1.0f + x) - logf(1.0f - x)) / 2.0f; }
 static inline int isblank(int ch) { return ch == ' ' || ch == '\t'; }
 #define strtoll(p, e, b) _strtoi64(p, e, b)
+#define strcasecmp(s1, s2) _stricmp(s1, s2)
 #endif
 /*@}*/