Fix MSC build of firebird

Change-Id: I3c747b36529058b980f88aea014c0a6d27014664
diff --git a/solenv/gbuild/platform/com_MSC_defs.mk b/solenv/gbuild/platform/com_MSC_defs.mk
index 81f20da..ac68d36 100644
--- a/solenv/gbuild/platform/com_MSC_defs.mk
+++ b/solenv/gbuild/platform/com_MSC_defs.mk
@@ -266,6 +266,6 @@ gb_Helper_OUTDIRLIBDIR := $(OUTDIR)/bin
gb_Helper_OUTDIR_FOR_BUILDLIBDIR := $(OUTDIR_FOR_BUILD)/bin

# need windows path with backslashes here
gb_Helper_set_ld_path := PATH="$(shell cygpath -w $(OUTDIR)/bin)"
gb_Helper_set_ld_path := PATH="$(shell cygpath -w $(OUTDIR)/bin)"$${PATH:+:$$PATH}

# vim: set noet sw=4: