Fix more minor typos

Signed-off-by: Yuri Chornoivan <yurchor@ukr.net>

gnucash/gnome-utils/dialog-options.c

@@ -639,7 +639,7 @@ gnc_set_default_gain_loss_account_widget(gnc_commodity *commodity)
     {
         book_currency_data->default_gain_loss_account_text =
                     gtk_label_new( _("Because no accounts have " \
-                        "been set up yet,you will need to return to this " \
+                        "been set up yet, you will need to return to this " \
                         "dialog (via File->Properties), after account setup, " \
                         "if you want to set a default gain/loss account.") );
 

gnucash/gschemas/org.gnucash.gschema.xml.in

@@ -72,7 +72,7 @@
     </key>
     <key name="migrate-prefs-done" type="b">
       <default>false</default>
-      <summary>Tool to migrate preferences from old backend (CGonf) to new one (GSettings) has run successfully.</summary>
+      <summary>Tool to migrate preferences from old backend (GConf) to new one (GSettings) has run successfully.</summary>
       <description>GnuCash switched to another backend to store user preferences between 2.4 and 2.6. To smooth the transition, most preferences will be migrated the first time a 2.6 version of GnuCash is run. This migration should only run once. This preference keeps track whether or not this migration tool has run successfully.</description>
     </key>
     <key name="retain-type-never" type="b">

gnucash/import-export/csv-exp/assistant-csv-export.c

@@ -88,7 +88,7 @@ static const gchar *finish_trans_string = N_(
 
 static const gchar *finish_trans_search_gl_string = N_(
             /* Translators: %s is the file name string. */
-            "When you click 'Apply', the transactions will be exported to the file '%s.\n\n"
+            "When you click 'Apply', the transactions will be exported to the file '%s'.\n\n"
             "You can also verify your selections by clicking on 'Back' or 'Cancel' to Abort Export.\n");
 
 static const gchar *start_tree_string = N_(