Add test/ifeq_without_parens.mk
I forgot to add this.
diff --git a/test/ifeq_without_parens.mk b/test/ifeq_without_parens.mk
new file mode 100644
index 0000000..6f1f105
--- /dev/null
+++ b/test/ifeq_without_parens.mk
@@ -0,0 +1,42 @@
+VAR=var
+VARREF=VAR
+EMPTY=
+UNDEFREF=UNDEFINED
+
+RESULT=
+
+ifeq "$(VAR)" "var"
+RESULT += PASS
+else
+RESULT += FAIL
+endif
+ifneq "$(VAR)" "var"
+RESULT += FAIL
+else
+RESULT += PASS
+endif
+
+ifeq '$(VAR)' "var"
+RESULT += PASS
+else
+RESULT += FAIL
+endif
+ifeq "$(VAR)" 'var'
+RESULT += PASS
+else
+RESULT += FAIL
+endif
+
+ifeq "$(UNDEFINED)" ""
+RESULT += PASS
+else
+RESULT += FAIL
+endif
+ifeq "" "$(UNDEFINED)"
+RESULT += PASS
+else
+RESULT += FAIL
+endif
+
+test:
+ echo $(RESULT)