Merge pull request #464 from LinkiTools/pmatos-cisco-gcc910

Initialize n to 0
original commit: e8b8ecfc58833d082e7151fc4ddf38b37507968a

LOG

@@ -1759,3 +1759,5 @@
 - used with-object-file to restore accidentally dropped close-port in
   compile-whole-program and compile-whole-library
     compile.ss
+- initialized variable to enable compilation with 9.1.0 at -O3
+    c/scheme.c

c/scheme.c

@@ -572,7 +572,8 @@ static void check_boot_file_state PROTO((const char *who));
 
 static IBOOL find_boot(name, ext, fd, errorp) const char *name, *ext; int fd; IBOOL errorp; {
   char pathbuf[PATH_MAX], buf[PATH_MAX];
-  uptr n; INT c;
+  uptr n = 0;
+  INT c;
   const char *path;
 #ifdef WIN32
   wchar_t *expandedpath;