r300: add symlink to ralloc.c and register_allocate.c

Make automake's subdir-objects work.
Update includes.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

src/gallium/drivers/r300/Makefile.am

@@ -8,7 +8,7 @@ TESTS = r300_compiler_tests
 
 AM_CFLAGS = \
 	-I$(top_srcdir)/src/gallium/drivers \
-	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/src/mesa/program \
 	-I$(top_srcdir)/src/mesa \
 	-I$(top_srcdir)/src/glsl \
 	-I$(top_srcdir)/src/mapi \
@@ -40,5 +40,5 @@ libr300_la_SOURCES = $(C_SOURCES)
 # Solve this by building them into a separate helper library that can be linked
 # in place of libmesagallium.
 libr300_helper_la_SOURCES = \
-	$(top_srcdir)/src/glsl/ralloc.c \
-	$(top_srcdir)/src/mesa/program/register_allocate.c
+	ralloc.c \
+	register_allocate.c

src/gallium/drivers/r300/ralloc.c

@@ -0,0 +1 @@
+../../../glsl/ralloc.c

src/gallium/drivers/r300/register_allocate.c

@@ -0,0 +1 @@
+../../../mesa/program/register_allocate.c