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

ports/fuseiso/README.nacl

Index: ports/fuseiso/README.nacl
diff --git a/ports/fuseiso/README.nacl b/ports/fuseiso/README.nacl
index bfae77586e6359a8cd5fddb01167483dca891676..a86f041f7a4709e3868196daf949a5044cca5e4c 100644
--- a/ports/fuseiso/README.nacl
+++ b/ports/fuseiso/README.nacl
@@ -21,11 +21,10 @@ Some sample code to test this lib(newlib version):
 
 #include <fuseiso_lib.h>
 #include <stdio.h>
-#include <fcntl.h>  
-#include <unistd.h> 
-
-int nacl_main(int argc, char* argv[]) {
+#include <fcntl.h>
+#include <unistd.h>
 
+int main(int argc, char* argv[]) {
   char* path = "<YOUR ISO PATH>";
   char* mount_point = "/foo";
   char* fs_name = "fuseiso_fs";
@@ -61,4 +60,4 @@ $NACLSDKPATH/toolchain/linux_x86_newlib/bin/x86_64-nacl-gcc \
   -lnacl_io -lppapi -lfuseiso -lstdc++ -lncurses -lglib-2.0 -lz -lintl
 
 Should be able to get a fusefoo_newlib.nexe after complie and link.
-Copy fusefoo_newlib.nexe and the iso file to devenv to test it.
+Copy fusefoo_newlib.nexe and the iso file to devenv to test it.