Possibility to set Vector2 uniform.

src/AbstractShaderProgram.h

@@ -210,6 +210,11 @@ class MAGNUM_EXPORT AbstractShaderProgram {
             glUniform1f(location, value);
         }
 
+        /** @copydoc setUniform(GLint, GLint) */
+        void setUniform(GLint location, const Vector2& value) {
+            glUniform2fv(location, 1, value.data());
+        }
+
         /** @copydoc setUniform(GLint, GLint) */
         void setUniform(GLint location, const Vector3& value) {
             glUniform3fv(location, 1, value.data());