glsl: Add new files to sconscript.
diff --git a/src/glsl/SConscript b/src/glsl/SConscript
index a808a5b..1ea876e 100644
--- a/src/glsl/SConscript
+++ b/src/glsl/SConscript
@@ -69,6 +69,9 @@
     'ir_vec_index_to_swizzle.cpp',
     'linker.cpp',
     'link_functions.cpp',
+    'loop_analysis.cpp',
+    'loop_controls.cpp',
+    'loop_unroll.cpp',
     's_expression.cpp',
 ]