Save all the channels of the team mask, not just the red and green channels.

Author: SamuelCho

code/globalincs/def_files.cpp

@@ -1707,8 +1707,8 @@ char *Default_main_fragment_shader =
 "\n"
 "#ifdef FLAG_MISC_MAP\n"
 " #ifdef FLAG_TEAMCOLOR\n"
-"	vec2 teamMask = vec2(0.0, 0.0);\n"
-"	teamMask = texture2D(sMiscmap, texCoord).rg;\n"
+"	vec4 teamMask = vec4(0.0, 0.0, 0.0, 0.0);\n"
+"	teamMask = texture2D(sMiscmap, texCoord);\n"
 "	vec3 base = base_color - vec3(0.5);\n"
 "	vec3 stripe = stripe_color - vec3(0.5);\n"
 "	baseColor.rgb += (base * teamMask.x) + (stripe * teamMask.y);\n"