Add missing trailing '}' in GLSL files

source/blender/gpu/shaders/gpu_shader_vertex.glsl

@@ -23,4 +23,4 @@ void main()
 	// graphic cards, while on ATI it can cause a software fallback.
 	gl_ClipVertex = co; 
 #endif 
-
+}

source/blender/gpu/shaders/gpu_shader_vertex_world.glsl

@@ -10,4 +10,4 @@ void main()
 	varposition = gl_Vertex.xyz;
 
 	varnormal = normalize(-varposition);
-
+}