Followup to #7: Check also for terminfo, requested by @rofl0r

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

configure.ac

@@ -70,6 +70,7 @@ AC_ARG_ENABLE(termcap,
 # Check for a termcap compatible library if enabled
 AS_IF([test "x$enable_termcap" = "xyes"],
    AC_DEFINE([CONFIG_USE_TERMCAP], 1, [Define to use the termcap library for terminal size.])
+   AC_CHECK_LIB(terminfo, tgetent, , [
       AC_CHECK_LIB(termcap, tgetent, , [
          AC_CHECK_LIB(tinfo, tgetent, , [
             AC_CHECK_LIB(curses, tgetent, , [
@@ -77,6 +78,7 @@ AS_IF([test "x$enable_termcap" = "xyes"],
                   AC_MSG_ERROR([Cannot find a termcap capable library, try installing Ncurses.])])
                ])
             ])
+         ])
       ]))
 
 # Generate all files