Update to gdb 7.9

Author: certik

pkgs/gdb.yaml

@@ -4,8 +4,8 @@ dependencies:
   build: [python, expat, xz, ncurses, libiconv, zlib, readline, {{build_with}}]
 
 sources:
-- key: tar.bz2:bw6veycan4nqy4h46at4msefe75n3ygn
-  url: http://ftp.gnu.org/gnu/gdb/gdb-7.7.1.tar.bz2
+- key: tar.xz:tmyvmunbmuuppl4mpwbii2m7wdewlxzr
+  url: https://ftp.gnu.org/gnu/gdb/gdb-7.9.tar.xz
 
 defaults:
   # lib/libbfd.a contains hard-coded path