Fix a variable handling mistake when testing for libevent functions in configure.in. Found by Riastradh.

svn:r16793

ChangeLog

@@ -8,6 +8,8 @@ Changes in version 0.2.1.6-alpha - 2008-09-xx
     - Fixed some memory leaks --some quite frequent, some almost impossible
       to trigger-- based on results of a static analysis tool. (XXX Can we
       say which? -NM)
+    - When testing for libevent functions, set the LDFLAGS variable
+      correctly.  (Found by Riastradh.)
 
   o Minor features:
     - Use a lockfile to make sure that two Tor processes are not

configure.in

@@ -268,7 +268,7 @@ save_LIBS="$LIBS"
 save_LDFLAGS="$LDFLAGS"
 save_CPPFLAGS="$CPPFLAGS"
 LIBS="-levent $TOR_LIB_WS32 $LIBS"
-LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
+LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
 LIBS="$save_LIBS"