[PATCH libXt] Only link with ws2_32 for mingw target

[Jon TURNEY]

For the Cygwin target, we will be using the socket functions provided
by the Cygwin DLL, so linking with ws2_32 is unnecessary, even though
it may be present.

Signed-off-by: Jon TURNEY <jon.turney at dronecode.org.uk>
---
 configure.ac |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/configure.ac b/configure.ac
index d18b0fe..84a9f4f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -86,7 +86,14 @@ case $host_os in
 	;;
 esac
 
-AC_HAVE_LIBRARY(ws2_32)
+# Link with winsock if mingw target
+case $host_os in
+	*mingw*)
+		AC_HAVE_LIBRARY(ws2_32)
+	;;
+	*)
+	;;
+esac
 
 # Options
 AC_ARG_ENABLE(xkb, AS_HELP_STRING([--disable-xkb], [Disable XKB support]),
-- 
1.7.4