Ignore trailing whitespace in settings .cfg files

Have settings_parseline() strip trailing whitespace from
the setting value.

Fixes a regression introduced by 5b1dd64f5, which caused
filename settings to be parsed incorrectly when there is
trailing whitespace in the .cfg file.

Change-Id: I6c54428f6467ea2d169d2a7449705b40627e1a40

apps/misc.c

@@ -272,6 +272,15 @@ bool settings_parseline(char* line, char** name, char** value)
     ptr++;
     ptr = skip_whitespace(ptr);
     *value = ptr;
+
+    /* strip whitespace from the right side of value */
+    ptr += strlen(ptr);
+    for (ptr--; ptr >= *value; ptr--)
+    {
+        if (isspace(*ptr))
+            *ptr = '\0';
+    }
+
     return true;
 }