[gnome-system-monitor] Use short process name for process dialog title

[Robert Roth <robertroth src gnome org>]

commit c68a2b8247270f549eead02f8b18f7972ca0bfb3
Author: Robert Roth <robert roth off gmail com>
Date:   Sun Jun 3 08:47:31 2018 +0300

    Use short process name for process dialog title

 src/procdialogs.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/procdialogs.cpp b/src/procdialogs.cpp
index e6017ba1..1154e0c0 100644
--- a/src/procdialogs.cpp
+++ b/src/procdialogs.cpp
@@ -74,7 +74,7 @@ procdialog_create_kill_dialog (GsmApplication *app, int signal)
                                          &selected_process);
 
        std::string *process_name = &selected_process->name;
-       std::string short_process_name = process_name->substr(0, process_name->find(" "));
+       std::string short_process_name = process_name->substr(0, process_name->find(" -"));
 
         switch (signal) {
             case SIGKILL: