Check for fcntl()

Originally committed as revision 23902 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -981,6 +981,7 @@ HAVE_LIST="
     fast_clz
     fast_cmov
     fast_unaligned
+    fcntl
     fork
     getaddrinfo
     gethrtime
@@ -2432,6 +2433,7 @@ fi
 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
 
+check_func  fcntl
 check_func  fork
 check_func  getaddrinfo $network_extralibs
 check_func  gethrtime