Be more consistant with paths in #includes. Eventually, eliminate a bunch of -I flags.
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 1a46c10..72b54b2 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -28,10 +28,10 @@
#include "glheader.h"
#include "macros.h"
#include "enums.h"
-#include "prog_parameter.h"
-#include "prog_instruction.h"
-#include "prog_print.h"
-#include "prog_statevars.h"
+#include "shader/prog_parameter.h"
+#include "shader/prog_instruction.h"
+#include "shader/prog_print.h"
+#include "shader/prog_statevars.h"
#include "texenvprogram.h"
/**