Rename sparc/clip.S -> sparc/sparc_clip.S

Automake can't handle having both clip.S and clip.c, even though they have different paths

"src/mesa/Makefile.am: object `clip.lo' created by `$(SRCDIR)/sparc/clip.S' and `$(SRCDIR)/main/clip.c'"

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Tested-by: Matt Turner <mattst88@gmail.com>

src/mesa/SConscript

@@ -430,7 +430,7 @@ if env['gcc'] and env['platform'] not in ('darwin', 'windows'):
     elif env['machine'] == 'sparc':
         mesa_sources += [
             'sparc/sparc.c',
-            'sparc/clip.S',
+            'sparc/sparc_clip.S',
             'sparc/norm.S',
             'sparc/xform.S',
         ]

src/mesa/sources.mak

@@ -307,7 +307,7 @@ X86_64_FILES =		\
 	$(SRCDIR)/x86-64/xform4.S
 
 SPARC_FILES =			\
-	$(SRCDIR)/sparc/clip.S		\
+	$(SRCDIR)/sparc/sparc_clip.S	\
 	$(SRCDIR)/sparc/norm.S		\
 	$(SRCDIR)/sparc/xform.S