Rework curses detection

Detect diffrent variants of curses and use them.

src/frontend/mosh-client.cc

@@ -42,7 +42,19 @@
 #include "fatal_assert.h"
 
 /* these need to be included last because of conflicting defines */
-#include <curses.h>
+#if defined HAVE_NCURSESW_CURSES_H
+#  include <ncursesw/curses.h>
+#elif defined HAVE_NCURSESW_H
+#  include <ncursesw.h>
+#elif defined HAVE_NCURSES_CURSES_H
+#  include <ncurses/curses.h>
+#elif defined HAVE_NCURSES_H
+#  include <ncurses.h>
+#elif defined HAVE_CURSES_H
+#  include <curses.h>
+#else
+#  error "SysV or X/Open-compatible Curses header file required"
+#endif
 #include <term.h>
 
 void usage( const char *argv0 ) {

src/terminal/terminaldisplayinit.cc

@@ -33,11 +33,24 @@
 /* This is in its own file because otherwise the ncurses #defines
    alias our own variable names. */
 
+#include "config.h"
 #include "terminaldisplay.h"
 
 #include <string>
 
-#include <curses.h>
+#if defined HAVE_NCURSESW_CURSES_H
+#  include <ncursesw/curses.h>
+#elif defined HAVE_NCURSESW_H
+#  include <ncursesw.h>
+#elif defined HAVE_NCURSES_CURSES_H
+#  include <ncurses/curses.h>
+#elif defined HAVE_NCURSES_H
+#  include <ncurses.h>
+#elif defined HAVE_CURSES_H
+#  include <curses.h>
+#else
+#  error "SysV or X/Open-compatible Curses header file required"
+#endif
 #include <term.h>
 #include <stdlib.h>
 #include <string.h>