Set EXTRAS with check_swap if ac_cv_have_swap is set

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@875 f882894a-f735-0410-b71e-b25c423dba1c

configure.in

@@ -1316,7 +1316,6 @@ then
 		AC_MSG_RESULT([using Unixware format swap])
 
 	fi
-	EXTRAS="$EXTRAS check_swap"
 fi
 dnl end if for PATH_TO_SWAP
 fi
@@ -1336,7 +1335,6 @@ then
 		ac_cv_swap_conv=1024
 		AC_MSG_RESULT([using FreeBSD format swapinfo])
 	fi
-	EXTRAS="$EXTRAS check_swap"
 
 elif [$PATH_TO_SWAPINFO -dfM 2>/dev/null | egrep -i "^TYPE +AVAIL +USED +FREE" >/dev/null]
 then
@@ -1367,6 +1365,7 @@ fi
 if test "x$ac_cv_have_swap" != "x" 
 then
 	AC_DEFINE(HAVE_SWAP,1,[Define if swap/swapinfo command is found])
+	EXTRAS="$EXTRAS check_swap"
 fi
 if test "x$ac_cv_swap_command" != "x" 
 then