mesa: added _mesa_compute_version() in new version.c file

src/mesa/main/version.h

@@ -28,6 +28,9 @@
 #define VERSION_H
 
 
+#include "mtypes.h"
+
+
 /* Mesa version */
 #define MESA_MAJOR 7
 #define MESA_MINOR 8
@@ -50,4 +53,8 @@
 #define OPENGL_VERSION_CODE OPENGL_VERSION(OPENGL_MAJOR, OPENGL_MINOR, OPENGL_PATCH)
 
 
+extern void
+_mesa_compute_version(GLcontext *ctx);
+
+
 #endif /* VERSION_H */