egl/dri2: Fix include path of u_atomic.h introduced e7e29189

This was causing a failure to build on SCons due to a missing
-Isrc/egl. Instead of adding in that path, lets just -Isrc/
and include "utils/u_atomic.h".

Reviewed-by: Matt Turner <mattst88@gmail.com>

src/egl/Makefile.am

@@ -25,6 +25,7 @@ AM_CFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(top_srcdir)/src/egl/main \
 	-I$(top_srcdir)/src/gbm/main \
+	-I$(top_srcdir)/src \
 	$(DEFINES) \
 	$(VISIBILITY_CFLAGS) \
 	$(LIBDRM_CFLAGS) \

src/egl/SConscript

@@ -9,6 +9,7 @@ env = env.Clone()
 env.Append(CPPPATH = [
     '#/include',
     '#/src/egl/main',
+    '#/src',
 ])
 
 

src/egl/drivers/dri2/egl_dri2.c

@@ -52,7 +52,7 @@
 #endif
 
 #include "egl_dri2.h"
-#include "../util/u_atomic.h"
+#include "util/u_atomic.h"
 
 /* The kernel header drm_fourcc.h defines the DRM formats below.  We duplicate
  * some of the definitions here so that building Mesa won't bleeding-edge