limit examples built while making memory changes

examples/Makefile

@@ -14,9 +14,9 @@ ASSIMP_LIB := ../$(ASSIMP_DIR)/build/code/libassimp.a
 endif
 
 EXAMPLE_SOURCES = \
-	render_groups/main.cpp
+	render_groups/main.cpp \
+	assimp_loading/main.cpp
 	#hello_world/main.cpp \
-	#assimp_loading/main.cpp \
 	#simple_mesh/main.cpp
 EXAMPLE_OBJECTS = $(patsubst %/, $(OBJDIR)/%.o, $(dir $(EXAMPLE_SOURCES)))