Remove all trailing whitespaces from our codebase.

Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp

@@ -1582,7 +1582,7 @@ namespace GLExtensions
 		const char* extensions = (const char*)glGetString(GL_EXTENSIONS);
 		std::string tmp(extensions);
 		std::istringstream buffer(tmp);
-		
+
 		while (buffer >> tmp)
 			m_extension_list[tmp] = true;
 	}

Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.h

@@ -41,7 +41,7 @@ namespace GLExtensions
 	// Function for checking if the hardware supports an extension
 	// example: if (GLExtensions::Supports("GL_ARB_multi_map"))
 	bool Supports(const std::string& name);
-	
+
 	// Returns OpenGL version in format 430
 	u32 Version();
 }