[gnome-system-monitor] Reworked cached information display

[Robert Roth <robertroth src gnome org>]

commit 7f4f6781bc07aae8cffeae77831e44661960e95b
Author: Robert Roth <robert roth off gmail com>
Date:   Tue Jan 21 12:31:37 2020 +0200

    Reworked cached information display

 src/load-graph.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/src/load-graph.cpp b/src/load-graph.cpp
index d147f773..8d79f985 100644
--- a/src/load-graph.cpp
+++ b/src/load-graph.cpp
@@ -404,6 +404,7 @@ namespace
     {
         char* used_text;
         char* cached_text;
+        char* cached_label;
         char* total_text;
         char* text;
 
@@ -414,14 +415,17 @@ namespace
             text = g_strdup(_("not available"));
         } else {
             // xgettext: 540MiB (53 %) of 1.0 GiB
-            if (cached == 0) {
-                text = g_strdup_printf(_("%s (%.1f%%) of %s"), used_text, 100.0 * percent, total_text);
-            } else {
-                text = g_strdup_printf(_("%s (%.1f%%) of %s\nCache: %s"), used_text, 100.0 * percent, 
total_text, cached_text);
+            text = g_strdup_printf(_("%s (%.1f%%) of %s"), used_text, 100.0 * percent, total_text);
+
+            if (cached != 0) {
+                cached_label = g_strdup_printf(_("Cache %s"), cached_text);
+                text = g_strdup_printf("%s\n%s", text, cached_label);
+                g_free (cached_label);
             }
         }
         gtk_label_set_text(label, text);
         g_free(used_text);
+        g_free(cached_text);
         g_free(total_text);
         g_free(text);