mesa: don't include math.h in compiler.h

Not needed by anything in that header.  Include math.h or c99_math.h
where needed instead.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

src/mesa/drivers/dri/common/xmlconfig.c

@@ -32,6 +32,7 @@
 #include <assert.h>
 #include <expat.h>
 #include <fcntl.h>
+#include <math.h>
 #include <unistd.h>
 #include <errno.h>
 #include "main/imports.h"

src/mesa/drivers/x11/xm_tri.c

@@ -30,6 +30,7 @@
  */
 
 
+#include "c99_math.h"
 #include "main/imports.h"
 #include "main/mtypes.h"
 #include "glxheader.h"

src/mesa/main/compiler.h

@@ -35,7 +35,6 @@
 
 
 #include <assert.h>
-#include <math.h>
 
 #include "util/macros.h"
 

src/mesa/main/imports.c

@@ -43,6 +43,7 @@
  */
 
 #include <stdarg.h>
+#include "c99_math.h"
 #include "imports.h"
 #include "context.h"
 #include "mtypes.h"