Drop -Werror to fix the build with clang 15

This library is lagging behind upstream and has no consumer left.
Zap?

net/czmq/patches/patch-configure

@@ -0,0 +1,14 @@
+Drop -Werror
+
+Index: configure
+--- configure.orig
++++ configure
+@@ -14091,7 +14091,7 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confde
+ 
+ # These options are GNU compiler specific.
+ if test "x$GCC" = "xyes"; then
+-    CPPFLAGS="-pedantic -Werror -Wall -Wc++-compat ${CPPFLAGS}"
++    CPPFLAGS="-pedantic -Wall -Wc++-compat ${CPPFLAGS}"
+ fi
+ 
+  if test "x$enable_shared" = "xyes"; then

net/czmq/patches/patch-src_zloop_c

@@ -0,0 +1,12 @@
+Index: src/zloop.c
+--- src/zloop.c.orig
++++ src/zloop.c
+@@ -582,7 +582,7 @@ zloop_timer_end (zloop_t *self, int timer_id)
+         //  from inside the poll loop. So, we hold the arg on the zombie
+         //  list, and process that list when we're done executing timers.
+         //  This hack lets us store an integer timer ID as a pointer
+-        zlistx_add_end (self->zombies, (byte *) NULL + timer_id);
++        zlistx_add_end (self->zombies, (void *)(uintptr_t)timer_id);
+ 
+     if (self->verbose)
+         zsys_debug ("zloop: cancel timer id=%d", timer_id);