Obj Importer: add missing semicolon to fix the build.

code/ObjFileMtlImporter.cpp

@@ -60,7 +60,7 @@ static const std::string AmbientTexture      = "map_Ka";
 static const std::string SpecularTexture     = "map_Ks";
 static const std::string OpacityTexture      = "map_d";
 static const std::string EmmissiveTexture    = "map_emissive";
-static const std::string EmmissiveTexture_1 = "map_Ke"
+static const std::string EmmissiveTexture_1  = "map_Ke";
 static const std::string BumpTexture1        = "map_bump";
 static const std::string BumpTexture2        = "map_Bump";
 static const std::string BumpTexture3        = "bump";