development/watchman: Fix build for -current.

Signed-off-by: B. Watson <yalhcru@gmail.com>

development/watchman/watchman.SlackBuild

@@ -25,6 +25,8 @@
 # with this program (most likely, a file named COPYING).  If not, see
 # <https://www.gnu.org/licenses/>.
 
+# 20170621 bkw: fix build on -current (--enable-lenient, removes -Werror)
+
 # 20170309 bkw:
 # - take over maintenance
 # - use long-form github URL
@@ -83,6 +85,7 @@ CC=clang CXX=clang++ \
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \
+  --enable-lenient \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --sysconfdir=/etc \