Make sure to only include dahdi/user.h if we have

installed DAHDI. 



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@125852 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax2.c

@@ -53,7 +53,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include <sys/stat.h>
 #include <regex.h>
 #include <sys/ioctl.h>
+#if defined(HAVE_DAHDI)
 #include <dahdi/user.h>
+#endif
 
 #include "asterisk/paths.h"	/* need ast_config_AST_DATA_DIR for firmware */
 

main/asterisk.c

@@ -87,7 +87,9 @@ int daemon(int, int);  /* defined in libresolv of all places */
 #endif
 
 #include <sys/ioctl.h>
+#if defined(HAVE_DAHDI)
 #include <dahdi/user.h>
+#endif
 
 #ifdef linux
 #include <sys/prctl.h>

main/channel.c

@@ -33,7 +33,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include <signal.h>
 #include <math.h>
 #include <sys/ioctl.h>
+#if defined(HAVE_DAHDI)
 #include <dahdi/user.h>
+#endif
 
 #include "asterisk/paths.h"	/* use ast_config_AST_SYSTEM_NAME */