[Pidgin] #1344: fix for some build warnings

[Pidgin]

#1344: fix for some build warnings
----------------------------+-----------------------------------------------
  Reporter:  o_sukhodolsky  |       Owner:  rlaager 
      Type:  patch          |      Status:  assigned
  Priority:  minor          |   Milestone:  2.0.2   
 Component:  pidgin (gtk)   |     Version:  2.0.1   
Resolution:                 |    Keywords:          
   Pending:  0              |  
----------------------------+-----------------------------------------------
Comment (by o_sukhodolsky):

 Replying to [comment:39 rlaager]:
 > Which new warnings?
 {{{
 gtkimhtmltoolbar.c:865: warning: return type defaults to ‘int’
 gtkimhtmltoolbar.c:865: warning: no previous prototype for
 ‘menu_position_func’
 gtkimhtmltoolbar.c:868: warning: unused variable ‘orientation’
 gtkimhtmltoolbar.c:866: warning: unused variable ‘req’
 gtkimhtmltoolbar.c:905: warning: passing argument 1 of
 ‘gtk_widget_show_all’ from incompatible pointer type
 gtkimhtmltoolbar.c:906: warning: passing argument 4 of ‘gtk_menu_popup’
 from incompatible pointer type
 gtkimhtmltoolbar.c:1076: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1080: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1084: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1088: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1092: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1096: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1100: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1104: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1108: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1154: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1158: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:1162: warning: passing argument 1 of
 ‘gtk_menu_shell_append’ from incompatible pointer type
 gtkimhtmltoolbar.c:902: warning: control reaches end of non-void function
 }}}

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Ticket URL: <http://developer.pidgin.im/ticket/1344#comment:40>
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