gettext: fix crash due to buffer overflow

Fixes: https://trac.macports.org/ticket/58323

devel/gettext/Portfile

@@ -7,6 +7,7 @@ PortGroup               muniversal 1.0
 name                    gettext
 epoch                   2
 version                 0.19.8.1
+revision                1
 categories              devel
 maintainers             ryandesign
 # libs are LGPL and executables are GPL
@@ -23,6 +24,9 @@ long_description        ${name} is the ${description}, used for writing multilin
 checksums               rmd160  29a5f29d186fe2aece5c450fd1a743b819c02c5b \
                         sha256  ff942af0e438ced4a8b0ea4b0b6e0d6d657157c5e2364de57baa279c1c125c43
 
+# https://trac.macports.org/ticket/58323
+patchfiles              write-java.c.patch
+
 # https://trac.macports.org/ticket/31167
 compiler.blacklist-append   {clang < 211.10.1}
 

devel/gettext/files/write-java.c.patch

@@ -0,0 +1,11 @@
+--- gettext-tools/src/write-java.c.orig	2016-03-20 18:37:53.000000000 +1100
++++ gettext-tools/src/write-java.c	2019-04-10 22:00:47.000000000 +1000
+@@ -150,7 +150,7 @@ msgid_hashcode (const char *msgctxt, con
+       char *combined;
+       unsigned int result;
+
+-      combined = (char *) xmalloca (combined_len);
++      combined = (char *) xmalloca (combined_len+1);
+       memcpy (combined, msgctxt, msgctxt_len);
+       combined[msgctxt_len] = MSGCTXT_SEPARATOR;
+       memcpy (combined + msgctxt_len + 1, msgid, msgid_len + 1);