Fix etags problems found by static checking
commit9166d4025197d0109015f1c7a77e78dce63d3312
authorPaul Eggert <eggert@cs.ucla.edu>
Wed, 31 Aug 2016 17:11:16 +0000 (31 10:11 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Wed, 31 Aug 2016 17:15:45 +0000 (31 10:15 -0700)
treed91a1f88465850938b712bd2e9f1634e599cb8a1
parent4ec31277e7603484fd7a4d2d8e3d0eefe62c587c
Fix etags problems found by static checking

* lib-src/etags.c (invalidate_nodes, put_entry):
Remove now-unnecessary tests for null pointers.  Simplify.
(put_entries): Rewrite to avoid GCC 6.2 warning about
dereferencing null pointer.
lib-src/etags.c