* modules/alloca-opt (Makefile.am): Remove explicit dependency on

* modules/alloca-opt (Makefile.am): Remove explicit dependency on
$(ALLOCA_H), redundant through BUILT_SOURCES.
* modules/argz (Makefile.am): Remove explicit dependency on $(ARGZ_H),
redundant through BUILT_SOURCES.
* modules/byteswap (Makefile.am): Remove explicit dependency on
$(BYTESWAP_H), redundant through BUILT_SOURCES.
* modules/fnmatch (Makefile.am): Remove explicit dependency on
$(FNMATCH_H), redundant through BUILT_SOURCES.
* modules/getopt (Makefile.am): Remove explicit dependency on
$(GETOPT_H), redundant through BUILT_SOURCES.
* modules/glob (Makefile.am): Remove explicit dependency on $(GLOB_H),
redundant through BUILT_SOURCES.
* modules/poll (Makefile.am): Remove explicit dependency on $(POLL_H),
redundant through BUILT_SOURCES.
* modules/stdbool (Makefile.am): Remove explicit dependency on
$(STDBOOL_H), redundant through BUILT_SOURCES.
* modules/stdint (Makefile.am): Remove explicit dependency on
$(STDINT_H), redundant through BUILT_SOURCES.
* modules/sysexits (Makefile.am): Add $(SYSEXITS_H) to BUILT_SOURCES.
Remove explicit dependency on $(SYSEXITS_H).
Reported by Alexandre Duret-Lutz <adl@src.lip6.fr>.