Debian: bump package version after fixing LDFLAGS

Follow up #1935 "minilua.o: relocation R_X86_64_32S against `.rodata'".

Fixes Debian Bug#846773: "ld: Nonrepresentable section on output".

debian/changelog

+tarantool (1.7.2.314.gedffdc0-1) unstable; urgency=medium
+
+  * Fix "ld: Nonrepresentable section on output". Closes: #846773.
+
+ -- Roman Tsisyk <roman@tarantool.org>  Sun, 04 Dec 2016 09:38:02 +0300
+
 tarantool (1.7.2.135.gcdf16ed-1) unstable; urgency=medium
 
   * Fix unowned symlink on example.lua after purge. Closes: #842073.