Fix the return value on error for intl methods returning arrays

When the resource is missing, an empty array should be returned rather
than null to respect the interface saying an array is always returned.

Author: stof

src/Symfony/Component/Intl/ResourceBundle/CurrencyBundle.php

@@ -76,7 +76,7 @@ public function getCurrencyNames($displayLocale = null)
         try {
             return $this->getNames($displayLocale);
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 
@@ -112,7 +112,7 @@ public function getLocales()
         try {
             return $this->localeProvider->getLocales();
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 }

src/Symfony/Component/Intl/ResourceBundle/LanguageBundle.php

@@ -80,7 +80,7 @@ public function getLanguageNames($displayLocale = null)
         try {
             return $this->getNames($displayLocale);
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 
@@ -104,7 +104,7 @@ public function getScriptNames($displayLocale = null)
         try {
             return $this->scriptProvider->getNames($displayLocale);
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 
@@ -116,7 +116,7 @@ public function getLocales()
         try {
             return $this->localeProvider->getLocales();
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 }

src/Symfony/Component/Intl/ResourceBundle/LocaleBundle.php

@@ -31,7 +31,7 @@ public function getLocales()
         try {
             return parent::getLocales();
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 
@@ -55,7 +55,7 @@ public function getLocaleNames($displayLocale = null)
         try {
             return $this->getNames($displayLocale);
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 }

src/Symfony/Component/Intl/ResourceBundle/RegionBundle.php

@@ -64,7 +64,7 @@ public function getCountryNames($displayLocale = null)
         try {
             return $this->getNames($displayLocale);
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 
@@ -76,7 +76,7 @@ public function getLocales()
         try {
             return $this->localeProvider->getLocales();
         } catch (MissingResourceException $e) {
-            return;
+            return array();
         }
     }
 }