Check for getuid and avoid the use of it in libwine if we don't have
it.

diff --git a/configure b/configure
index 58c7778..f6bbde7 100755
--- a/configure
+++ b/configure
@@ -16278,6 +16278,7 @@
 
 
 
+
 for ac_func in \
 	_lwp_create \
 	_lwp_self \
@@ -16308,6 +16309,7 @@
 	getservbyport \
 	gettid \
 	gettimeofday \
+	getuid \
 	inet_network \
 	lseek64 \
 	lstat \