Adding upstream version 5.2.37.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

lib/sh/strpbrk.c

@@ -0,0 +1,49 @@
+/* strpbrk.c - locate multiple characters in a string */
+
+/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.
+
+   NOTE: The canonical source of this file is maintained with the GNU C Library.
+   Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if !defined (HAVE_STRPBRK)
+
+#include <stdc.h>
+
+/* Find the first occurrence in S of any character in ACCEPT.  */
+char *
+strpbrk (s, accept)
+     register const char *s;
+     register const char *accept;
+{
+  while (*s != '\0')
+    {
+      const char *a = accept;
+      while (*a != '\0')
+	if (*a++ == *s)
+	  return (char *) s;
+      ++s;
+    }
+
+  return 0;
+}
+#endif