Fixed Makefile to adhere to sh instead of bash scripting

Makefile

@@ -74,8 +74,9 @@ clean:
 
 check:
 	# Search the execution log for mention of raylib starting
+	cat $(tempDir)/execute.log
 	$(eval VAR = $(shell grep -c "raylib" $(tempDir)/execute.log))
-	if [[ $(VAR) -gt 0 ]];\
+	if [ $(VAR) -gt 0 ];\
 	then echo "Application was started";\
 	else echo "Application failed to start"; exit 1;\
 	fi