Comment out rsqrt for now. Long-term: Need to figur out why rsqrt caused slang to abort.

Change-Id: I635eecead3ef71690124e51f29afa163373e2329
diff --git a/scriptc/rs_cl.rsh b/scriptc/rs_cl.rsh
index c84cdff..69e7902 100644
--- a/scriptc/rs_cl.rsh
+++ b/scriptc/rs_cl.rsh
@@ -373,10 +373,10 @@
 DEF_FUNC_1(round)
 
 extern float __attribute__((overloadable)) sqrt(float);
-static float __attribute__((overloadable)) rsqrt(float v) {
+/*static float __attribute__((overloadable)) rsqrt(float v) {
     return 1.f / sqrt(v);
 }
-DEF_FUNC_1(rsqrt)
+DEF_FUNC_1(rsqrt)*/
 
 extern float __attribute__((overloadable)) sin(float);
 DEF_FUNC_1(sin)