Switch from using 'nacl_main' to 'main' entry point

ports/findutils/nacl.patch

 diff --git a/find/Makefile.in b/find/Makefile.in
 --- a/find/Makefile.in
 +++ b/find/Makefile.in
 @@ -198,7 +198,7 @@ mkinstalldirs = $(SHELL) $(top_srcdir)/build-aux/mkinstalldirs
  CONFIG_HEADER = $(top_builddir)/config.h
  CONFIG_CLEAN_FILES =
  LIBRARIES = $(noinst_LIBRARIES)
 -AR = ar
 +AR ?= ar
  ARFLAGS = cru
  libfindtools_a_AR = $(AR) $(ARFLAGS)
  libfindtools_a_LIBADD =
-@@ -691,13 +691,13 @@ installcheck-binPROGRAMS: $(bin_PROGRAMS)
-        done; rm -f c$${pid}_.???; exit $$bad
- find$(EXEEXT): $(find_OBJECTS) $(find_DEPENDENCIES) 
-        @rm -f find$(EXEEXT)
--       $(LINK) $(find_OBJECTS) $(find_LDADD) $(LIBS)
-+       $(LINK) $(find_OBJECTS) $(find_LDADD) ${NACL_CLI_MAIN_LIB} $(LIBS)
- ftsfind$(EXEEXT): $(ftsfind_OBJECTS) $(ftsfind_DEPENDENCIES) 
-        @rm -f ftsfind$(EXEEXT)
-        $(LINK) $(ftsfind_OBJECTS) $(ftsfind_LDADD) $(LIBS)
- oldfind$(EXEEXT): $(oldfind_OBJECTS) $(oldfind_DEPENDENCIES) 
-        @rm -f oldfind$(EXEEXT)
--       $(LINK) $(oldfind_OBJECTS) $(oldfind_LDADD) $(LIBS)
-+       $(LINK) $(oldfind_OBJECTS) $(oldfind_LDADD) ${NACL_CLI_MAIN_LIB} $(LIBS)
- 
- mostlyclean-compile:
-        -rm -f *.$(OBJEXT)
 diff --git a/find/ftsfind.c b/find/ftsfind.c
 --- a/find/ftsfind.c
 +++ b/find/ftsfind.c
 @@ -74,7 +74,6 @@
  # define N_(String) String
  #endif
  
 -
  static void set_close_on_exec(int fd)
  {
@@ skipping 1147 matching lines @@
         wait_for_proc (false, 1u);
  
        switch (child)
         {
         case -1:
 -         error (1, errno, _("cannot fork"));
 +         error (1, errno, _("cannot vfork"));
  
         case 0:         /* Child.  */
           prep_child_for_exec();