Replace gl_vert_result enum with gl_varying_slot.

This patch makes the following search-and-replace changes:

gl_vert_result -> gl_varying_slot
VERT_RESULT_* -> VARYING_SLOT_*

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Tested-by: Brian Paul <brianp@vmware.com>
diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp
index 53c4c51..531effd 100644
--- a/src/glsl/builtin_variables.cpp
+++ b/src/glsl/builtin_variables.cpp
@@ -47,8 +47,8 @@
 };
 
 static const builtin_variable builtin_core_vs_variables[] = {
-   { ir_var_shader_out, VERT_RESULT_HPOS, "vec4",  "gl_Position" },
-   { ir_var_shader_out, VERT_RESULT_PSIZ, "float", "gl_PointSize" },
+   { ir_var_shader_out, VARYING_SLOT_POS,  "vec4",  "gl_Position" },
+   { ir_var_shader_out, VARYING_SLOT_PSIZ, "float", "gl_PointSize" },
 };
 
 static const builtin_variable builtin_core_fs_variables[] = {
@@ -96,12 +96,12 @@
    { ir_var_shader_in,  VERT_ATTRIB_TEX6,        "vec4",  "gl_MultiTexCoord6" },
    { ir_var_shader_in,  VERT_ATTRIB_TEX7,        "vec4",  "gl_MultiTexCoord7" },
    { ir_var_shader_in,  VERT_ATTRIB_FOG,         "float", "gl_FogCoord" },
-   { ir_var_shader_out, VERT_RESULT_CLIP_VERTEX, "vec4",  "gl_ClipVertex" },
-   { ir_var_shader_out, VERT_RESULT_COL0,        "vec4",  "gl_FrontColor" },
-   { ir_var_shader_out, VERT_RESULT_BFC0,        "vec4",  "gl_BackColor" },
-   { ir_var_shader_out, VERT_RESULT_COL1,        "vec4",  "gl_FrontSecondaryColor" },
-   { ir_var_shader_out, VERT_RESULT_BFC1,        "vec4",  "gl_BackSecondaryColor" },
-   { ir_var_shader_out, VERT_RESULT_FOGC,        "float", "gl_FogFragCoord" },
+   { ir_var_shader_out, VARYING_SLOT_CLIP_VERTEX, "vec4",  "gl_ClipVertex" },
+   { ir_var_shader_out, VARYING_SLOT_COL0,        "vec4",  "gl_FrontColor" },
+   { ir_var_shader_out, VARYING_SLOT_BFC0,        "vec4",  "gl_BackColor" },
+   { ir_var_shader_out, VARYING_SLOT_COL1,        "vec4",  "gl_FrontSecondaryColor" },
+   { ir_var_shader_out, VARYING_SLOT_BFC1,        "vec4",  "gl_BackSecondaryColor" },
+   { ir_var_shader_out, VARYING_SLOT_FOGC,        "float", "gl_FogFragCoord" },
 };
 
 static const builtin_variable builtin_120_fs_variables[] = {
@@ -755,7 +755,7 @@
 
    add_variable(instructions, state->symbols,
 		"gl_TexCoord", vec4_array_type, ir_var_shader_out,
-                VERT_RESULT_TEX0);
+                VARYING_SLOT_TEX0);
 
    generate_ARB_draw_buffers_variables(instructions, state, false,
 				       vertex_shader);
@@ -816,7 +816,7 @@
 
    add_variable(instructions, state->symbols,
 		"gl_ClipDistance", clip_distance_array_type, ir_var_shader_out,
-                VERT_RESULT_CLIP_DIST0);
+                VARYING_SLOT_CLIP_DIST0);
 
 }