Disable Warning 4589

Change-Id: I017d21153880e92d59477ed2d6bdabc2629672e0
Reviewed-on: https://gerrit.libreoffice.org/18521Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: David Ostrovsky <david@ostrovsky.org>

solenv/gbuild/platform/com_MSC_defs.mk

@@ -153,6 +153,7 @@ gb_CFLAGS := \
 	-wd4355 \
 	-wd4505 \
 	-wd4512 \
+	-wd4589 \
 	-wd4626 \
 	-wd4706 \
 	-wd4800 \
@@ -182,6 +183,7 @@ gb_CXXFLAGS := \
 	-wd4481 \
 	-wd4505 \
 	-wd4512 \
+	-wd4589 \
 	-wd4611 \
 	-wd4706 \
 	-wd4800 \