Fix windows build.

src/gallium/auxiliary/rtasm/rtasm_execmem.c

@@ -33,6 +33,7 @@
 #include "pipe/p_compiler.h"
 #include "pipe/p_debug.h"
 #include "pipe/p_thread.h"
+#include "pipe/p_util.h"
 
 #include "rtasm_execmem.h"
 
@@ -118,7 +119,7 @@ rtasm_exec_free(void *addr)
  */
 
 void *
-rtasm_exec_malloc(GLuint size)
+rtasm_exec_malloc(size_t size)
 {
    return MALLOC( size );
 }

src/gallium/auxiliary/rtasm/rtasm_x86sse.c

@@ -21,7 +21,7 @@
  *
  **************************************************************************/
 
-#if defined(__i386__) || defined(__386__)
+#if defined(__i386__) || defined(__386__) || defined(i386)
 
 #include "pipe/p_compiler.h"
 #include "pipe/p_debug.h"

src/gallium/auxiliary/rtasm/rtasm_x86sse.h

@@ -24,7 +24,7 @@
 #ifndef _RTASM_X86SSE_H_
 #define _RTASM_X86SSE_H_
 
-#if defined(__i386__) || defined(__386__)
+#if defined(__i386__) || defined(__386__) || defined(i386)
 
 /* It is up to the caller to ensure that instructions issued are
  * suitable for the host cpu.  There are no checks made in this module