Fixes #2403, add SDL2 dependency to testgles2 (thanks Hiroyuki Iwatsuki)

VisualC/SDL_VS2013.sln

@@ -106,6 +106,11 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testjoystick", "tests\testj
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testgles2", "tests\testgles2\testgles2_VS2013.vcxproj", "{E5287C64-0646-4BFA-A772-1DB5A649F35E}"
+	ProjectSection(ProjectDependencies) = postProject
+		{81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68} = {81CE8DAF-EBB2-4761-8E45-B71ABCCA8C68}
+		{DA956FD3-E142-46F2-9DD5-C78BEBB56B7A} = {DA956FD3-E142-46F2-9DD5-C78BEBB56B7A}
+		{DA956FD3-E143-46F2-9FE5-C77BEBC56B1A} = {DA956FD3-E143-46F2-9FE5-C77BEBC56B1A}
+	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution