Fix typo in alias= field for GL_MAX_VARYING_COMPONENTS. Note, this has
no effect on the generated headers since it emits the numeric value of
the enum, not the alias name.

Fixes #457

xml/gl.xml

diff --git a/xml/gl.xml b/xml/gl.xml
index 03d34a7..6ccdaf2 100644
--- a/xml/gl.xml
+++ b/xml/gl.xml
@@ -9135,7 +9135,7 @@
         <enum value="0x8B4A" name="GL_MAX_VERTEX_UNIFORM_COMPONENTS" group="GetPName"/>
         <enum value="0x8B4A" name="GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB"/>
         <enum value="0x8B4B" name="GL_MAX_VARYING_FLOATS" group="GetPName"/>
-        <enum value="0x8B4B" name="GL_MAX_VARYING_COMPONENTS" alias="MAX_VARYING_FLOATS" group="GetPName"/>
+        <enum value="0x8B4B" name="GL_MAX_VARYING_COMPONENTS" alias="GL_MAX_VARYING_FLOATS" group="GetPName"/>
         <enum value="0x8B4B" name="GL_MAX_VARYING_COMPONENTS_EXT"/>
         <enum value="0x8B4B" name="GL_MAX_VARYING_FLOATS_ARB"/>
         <enum value="0x8B4C" name="GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS" group="GetPName"/>