rename HAVE_DLFCN to HAVE_DLFCN_H

Originally committed as revision 7078 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -424,7 +424,7 @@ HAVE_LIST='
     beosthreads
     byteswap_h
     dcbzl
-    dlfcn
+    dlfcn_h
     dlopen
     freetype2
     gprof
@@ -578,7 +578,7 @@ extralibs="-lm"
 bigendian="no"
 vhook="default"
 avisynth="no"
-dlfcn="no"
+dlfcn_h="no"
 dlopen="no"
 mpegaudio_hp="yes"
 SHFLAGS='-shared -Wl,-soname,$@'
@@ -1509,7 +1509,7 @@ done
 
 # dlopen/dlfcn.h probing
 
-check_header dlfcn.h && dlfcn=yes
+check_header dlfcn.h && dlfcn_h=yes
 
 temp_extralibs -ldl
 if check_func dlopen; then

ffserver.c

@@ -37,7 +37,7 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <signal.h>
-#ifdef HAVE_DLFCN
+#ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
 #endif
 

libavformat/framehook.c

@@ -23,7 +23,7 @@
 #include "avformat.h"
 #include "framehook.h"
 
-#ifdef HAVE_DLFCN
+#ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
 #endif