Renaming stucts back.

Change-Id: Ic9315c7fb2e03d0e88a07ae2361836d35106ab4b
diff --git a/libs/rs/scriptc/rs_types.rsh b/libs/rs/scriptc/rs_types.rsh
index 489b034..ddae7eb 100644
--- a/libs/rs/scriptc/rs_types.rsh
+++ b/libs/rs/scriptc/rs_types.rsh
@@ -55,19 +55,19 @@
 typedef int int4 __attribute__((ext_vector_type(4)));
 
 
-typedef struct rs_matrix4x4_s {
+typedef struct {
     float m[16];
 } rs_matrix4x4;
 
-typedef struct rs_matrix3x3_s {
+typedef struct {
     float m[9];
 } rs_matrix3x3;
 
-typedef struct rs_matrix2x2_s {
+typedef struct {
     float m[4];
 } rs_matrix2x2;
 
-typedef struct rs_quaternion_s {
+typedef struct {
     float w, x, y, z;
 } rs_quaternion;