Add configure tests for poll() (SF patch #100852)
diff --git a/configure b/configure
index 563f0f6..e01e96a 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.146 
+# From configure.in Revision: 1.147 
 
 # Guess values for system-dependent variables and create Makefiles.
 # Generated automatically using autoconf version 2.13 
@@ -1536,7 +1536,7 @@
 
 fi
 
-for ac_hdr in dlfcn.h fcntl.h limits.h locale.h ncurses.h pthread.h \
+for ac_hdr in dlfcn.h fcntl.h limits.h locale.h ncurses.h poll.h pthread.h \
 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
 sys/audioio.h sys/file.h sys/lock.h \
 sys/param.h sys/select.h sys/socket.h sys/time.h sys/times.h \
@@ -3798,7 +3798,7 @@
  flock fork fsync fdatasync fpathconf ftime ftruncate \
  getgroups getlogin getpeername getpid getpwent getwd \
  kill link lstat mkfifo mktime mremap \
- nice pathconf pause plock pthread_init \
+ nice pathconf pause plock poll pthread_init \
  putenv readlink \
  select setegid seteuid setgid \
  setlocale setregid setreuid setsid setpgid setuid setvbuf \