X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_forms.h;h=f093b96d95d3d829b51ba84a5047ba21257bcdbb;hb=8dccec5c46a1689fe3ea37144252e952771e1e1c;hp=d2757c2b30bbfa240a1a178421ed8552d452bbe5;hpb=27de1486ca34aaad446adb798d71a77d6f6304da;p=lyx.git

diff --git a/src/mathed/math_forms.h b/src/mathed/math_forms.h
index d2757c2b30..f093b96d95 100644
--- a/src/mathed/math_forms.h
+++ b/src/mathed/math_forms.h
@@ -4,6 +4,7 @@
 #define FD_panel_h_
 
 /** Callbacks, globals and object handlers **/
+extern "C" {
 extern void button_cb(FL_OBJECT *, long);
 
 extern void delim_cb(FL_OBJECT *, long);
@@ -13,7 +14,7 @@ extern void matrix_cb(FL_OBJECT *, long);
 extern void deco_cb(FL_OBJECT *, long);
 
 extern void space_cb(FL_OBJECT *, long);
-
+}
 
 /**** Forms and Objects ****/
 typedef struct {