mesa: bump version to 7.5-rc4

Makefile

@@ -182,7 +182,7 @@ ultrix-gcc:
 
 # Rules for making release tarballs
 
-VERSION=7.5-rc3
+VERSION=7.5-rc4
 DIRECTORY = Mesa-$(VERSION)
 LIB_NAME = MesaLib-$(VERSION)
 DEMO_NAME = MesaDemos-$(VERSION)

src/mesa/main/version.h

@@ -31,7 +31,7 @@
 #define MESA_MAJOR 7
 #define MESA_MINOR 5
 #define MESA_PATCH 0
-#define MESA_VERSION_STRING "7.5-rc3"
+#define MESA_VERSION_STRING "7.5-rc4"
 
 /* To make version comparison easy */
 #define MESA_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))