master 2c5b4ae93a: Add missing extern declarations to headers

[Po Lu]

branch: master
commit 2c5b4ae93a8dadad37a147bfde5369e0ad5de01a
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Add missing extern declarations to headers
    
    * src/xterm.h (xi_device_from_id, xi_frame_selected_for): Add
    `extern' declaration.
---
 src/xterm.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/xterm.h b/src/xterm.h
index defeaacc0d..a04596cdb1 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -1574,8 +1574,8 @@ extern bool x_dnd_in_progress;
 extern struct frame *x_dnd_frame;
 
 #ifdef HAVE_XINPUT2
-struct xi_device_t *xi_device_from_id (struct x_display_info *, int);
-bool xi_frame_selected_for (struct frame *, unsigned long);
+extern struct xi_device_t *xi_device_from_id (struct x_display_info *, int);
+extern bool xi_frame_selected_for (struct frame *, unsigned long);
 #endif
 
 extern void mark_xterm (void);