removed various gcc warnings

svn path=/trunk/; revision=14246

3 files changed, 6 insertions, 2 deletions

diff --git a/capture.c b/capture.c
index 50336593e7..db8ff029ef 100644
--- a/capture.c
+++ b/capture.c
@@ -28,6 +28,10 @@
 
 #ifdef HAVE_LIBPCAP
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
diff --git a/gtk/main.c b/gtk/main.c
index 8c144d6607..59daacbe23 100644
--- a/gtk/main.c
+++ b/gtk/main.c
@@ -1402,7 +1402,7 @@ main_cf_cb_live_capture_fixed_started(capture_options *capture_opts)
 }
 
 static void
-main_cf_cb_live_capture_fixed_finished(capture_file *cf)
+main_cf_cb_live_capture_fixed_finished(capture_file *cf _U_)
 {
     /* Pop the "<live capture in progress>" message off the status bar. */
     statusbar_pop_file_msg();
diff --git a/gtk/proto_draw.c b/gtk/proto_draw.c
index d4514dd0c4..82b9f824e5 100644
--- a/gtk/proto_draw.c
+++ b/gtk/proto_draw.c
@@ -1644,7 +1644,7 @@ void tree_cell_renderer(GtkTreeViewColumn *tree_column _U_,
 
 #if GTK_MAJOR_VERSION >= 2
 static int
-tree_view_key_pressed_cb(GtkCTree *ctree, GdkEventKey *event, gpointer user_data _U_)
+tree_view_key_pressed_cb(GtkCTree *ctree _U_, GdkEventKey *event, gpointer user_data _U_)
 {
     GtkTreeSelection* selection;
     GtkTreeIter iter;