mesa: Remove no-op wrappers around trig functions.
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 0eae8cd..f85c651 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -762,7 +762,7 @@
             GLfloat a[4], result[4];
             fetch_vector1(&inst->SrcReg[0], machine, a);
             result[0] = result[1] = result[2] = result[3]
-               = (GLfloat) _mesa_cos(a[0]);
+               = (GLfloat) cos(a[0]);
             store_vector4(inst, machine, result);
          }
          break;
@@ -1393,8 +1393,8 @@
          {
             GLfloat a[4], result[4];
             fetch_vector1(&inst->SrcReg[0], machine, a);
-            result[0] = (GLfloat) _mesa_cos(a[0]);
-            result[1] = (GLfloat) _mesa_sin(a[0]);
+            result[0] = (GLfloat) cos(a[0]);
+            result[1] = (GLfloat) sin(a[0]);
             result[2] = 0.0;    /* undefined! */
             result[3] = 0.0;    /* undefined! */
             store_vector4(inst, machine, result);
@@ -1465,7 +1465,7 @@
             GLfloat a[4], result[4];
             fetch_vector1(&inst->SrcReg[0], machine, a);
             result[0] = result[1] = result[2] = result[3]
-               = (GLfloat) _mesa_sin(a[0]);
+               = (GLfloat) sin(a[0]);
             store_vector4(inst, machine, result);
          }
          break;