package/gvfs: show warning when BR2_STATIC_LIBS=y

Commit 4266c9f54f (package/gvfs: needs dynamic library) updated the
dependency of gvfs, but inverted the comment dependency, causing it to only
be shown if !static - Fix that.

Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
Reviewed-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 4c8a6d3aa66b93b1e0320f0160938314c1915534)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gvfs/Config.in

@@ -20,4 +20,4 @@ config BR2_PACKAGE_GVFS
 comment "gvfs needs a toolchain w/ wchar, threads, dynamic library"
 	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_STATIC_LIBS
+		BR2_STATIC_LIBS