mesa: added isblank() for MSVC

diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 6c2ef52d35b3a5e259ba02b520b15045b08d4a69..cb35885dbd937e32519f9220c2bf966b8f602e8d 100644 (file)
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -147,6 +147,7 @@ typedef union { GLfloat f; GLint i; } fi_type;
 static INLINE float truncf(float x) { return x < 0.0f ? ceilf(x) : floorf(x); }
 static INLINE float exp2f(float x) { return powf(2.0f, x); }
 static INLINE float log2f(float x) { return logf(x) * 1.442695041f; }
+static INLINE int isblank(int ch) { return ch == ' ' || ch == '\t'; }
 #endif
 /*@}*/