mesa: refactor: update SConscript with recently added new source files
diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index 1beb81c..ff5bf60 100644
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -24,6 +24,7 @@
 	
 	main_sources = [
 		'main/api_arrayelt.c',
+		'main/api_exec.c'
 		'main/api_loopback.c',
 		'main/api_noop.c',
 		'main/api_validate.c',
@@ -33,6 +34,7 @@
 		'main/blend.c',
 		'main/bufferobj.c',
 		'main/buffers.c',
+		'main/clear.c',
 		'main/clip.c',
 		'main/colortab.c',
 		'main/context.c',
@@ -64,23 +66,30 @@
 		'main/matrix.c',
 		'main/mipmap.c',
 		'main/mm.c',
+		'main/multisample.c',
 		'main/pixel.c',
+		'main/pixelstore.c',
 		'main/points.c',
 		'main/polygon.c',
 		'main/queryobj.c',
 		'main/rastpos.c',
 		'main/rbadaptors.c',
+		'main/readpix.c',
 		'main/renderbuffer.c',
+		'main/scissor.c',
 		'main/shaders.c',
 		'main/state.c',
 		'main/stencil.c',
 		'main/texcompress.c',
 		'main/texcompress_s3tc.c',
 		'main/texcompress_fxt1.c',
+		'main/texenv.c',
 		'main/texenvprogram.c',
 		'main/texformat.c',
+		'main/texgen.c',
 		'main/teximage.c',
 		'main/texobj.c',
+		'main/texparam.c',
 		'main/texrender.c',
 		'main/texstate.c',
 		'main/texstore.c',