[gnome-usage: 1/2] Fix libgtop-2.0.vapi. Fix crashing on Fedora 26.

[Petr Štětka <pstetka src gnome org>]

commit 55167721776a8d4ec4fa02f6960c602cbf5d7cc4
Author: Petr Štětka <pstetka redhat com>
Date:   Tue Apr 11 10:54:00 2017 +0200

    Fix libgtop-2.0.vapi.
    Fix crashing on Fedora 26.

 src/meson.build            |    1 -
 src/system-monitor.vala    |    9 +--------
 src/vapis/libgtop-2.0.vapi |    4 ++--
 3 files changed, 3 insertions(+), 11 deletions(-)
---
diff --git a/src/meson.build b/src/meson.build
index b09a7f5..627a020 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -48,7 +48,6 @@ vala_sources = [
     'better-box.c']
 
 vala_args = [
-    '--target-glib=2.38',
     '--gresources=../data/org.gnome.Usage.gresource.xml',
     '--pkg=rg',
     '--pkg=egg',
diff --git a/src/system-monitor.vala b/src/system-monitor.vala
index eecccd4..6d7b129 100644
--- a/src/system-monitor.vala
+++ b/src/system-monitor.vala
@@ -231,7 +231,7 @@ namespace Usage
         {
             GTop.ProcArgs proc_args;
             GTop.ProcState proc_state;
-            var args = GTop.get_proc_argv (out proc_args, pid);
+            string[] args = GTop.get_proc_argv (out proc_args, pid, 0);
             GTop.get_proc_state (out proc_state, pid);
             string cmd = (string) proc_state.cmd;
             cmd_parameter = "";
@@ -241,14 +241,7 @@ namespace Usage
             for(int i = 0; i < 2; i++)
             {
                 if(args[i] != null)
-                {
                     secure_arguments[i] = args[i];
-                    for (int j = 0; j < args[i].length; j++)
-                    {
-                        if(args[i][j] == ' ')
-                            secure_arguments[i] = args[i].substring(0, j);
-                    }
-                }
                 else
                     secure_arguments[i] = "";
             }
diff --git a/src/vapis/libgtop-2.0.vapi b/src/vapis/libgtop-2.0.vapi
index d5b1bc0..e18d171 100644
--- a/src/vapis/libgtop-2.0.vapi
+++ b/src/vapis/libgtop-2.0.vapi
@@ -180,8 +180,8 @@ namespace GTop {
         uint64 flags;
         uint64 size;
     }
-    [CCode(array_null_terminated = "true")]
-    public string[] get_proc_argv(out ProcArgs proc_args, GLib.Pid pid);
+    [CCode (array_length = false, array_null_terminated = true)]
+    public string[] get_proc_argv(out ProcArgs proc_args, GLib.Pid pid, uint length);
 
     [CCode(cname = "glibtop_fsusage", cheader_filename = "glibtop/fsusage.h")]
     public struct FsUsage {