diff -Naur firefox-52.0.1.orig/mozilla-config.h.in firefox-52.0.1/mozilla-config.h.in
--- firefox-52.0.1.orig/mozilla-config.h.in	2017-03-21 11:23:06.486363553 -0700
+++ firefox-52.0.1/mozilla-config.h.in	2017-03-21 11:28:05.538519928 -0700
@@ -48,14 +48,13 @@
 #endif
 
 /*
- * Force-include hunspell_alloc_hooks.h and hunspell_fopen_hooks.h for hunspell,
+ * Force-include hunspell_fopen_hooks.h for hunspell,
  * so that we don't need to modify them directly.
  *
  * HUNSPELL_STATIC is defined in extensions/spellcheck/hunspell/src/Makefile.in,
  * unless --enable-system-hunspell is defined.
  */
 #if defined(HUNSPELL_STATIC)
-#include "hunspell_alloc_hooks.h"
 #include "hunspell_fopen_hooks.h"
 #endif