9718 update mandoc to 1.14.4

@@ -74,11 +74,14 @@
                 term_tab.o      \
                 tree.o
 
 OBJS +=         compat_ohash.o
 
+# XXX gcc 4.4.4 false positive
+roff.o :=       CERRWARN += -_gcc=-Wno-uninitialized
+
 CFLAGS +=       $(CC_VERBOSE)
-CSTD =  $(CSTD_GNU99)
+CSTD=           $(CSTD_GNU99)
 
 CPPFLAGS +=     -DOSNAME="\"illumos\"" -D_FILE_OFFSET_BITS=64
 
 LDLIBS +=       -lz