mesa: rename, reorder FRAG_RESULT_x tokens

s/FRAG_RESULT_DEPR/FRAG_RESULT_DEPTH/
s/FRAG_RESULT_COLR/FRAG_RESULT/COLOR/
Remove FRAG_RESULT_COLH (NV half-precision) output since we never used it.
Next, we might merge the COLOR and DATA outputs (COLOR0, COLOR1, etc).
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index 62edb7f..ccc0318 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -1688,7 +1688,7 @@
              */
             parse_output_color_num(ctx, inst, Program, &out_color);
             ASSERT(out_color < MAX_DRAW_BUFFERS);
-            *outputReg = FRAG_RESULT_COLR;
+            *outputReg = FRAG_RESULT_COLOR;
          }
          else {
             /* for vtx programs, this is VERTEX_RESULT_POSITION */
@@ -1699,7 +1699,7 @@
       case FRAGMENT_RESULT_DEPTH:
          if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
             /* for frag programs, this is FRAGMENT_RESULT_DEPTH */
-            *outputReg = FRAG_RESULT_DEPR;
+            *outputReg = FRAG_RESULT_DEPTH;
          }
          else {
             /* for vtx programs, this is VERTEX_RESULT_COLOR */