changed symfony/process version name to tild pattern

pitpit · pitpit · commit 52099301eecb · 2014-04-01T15:10:47.000+02:00
diff --git a/composer.json b/composer.json
@@ -23,7 +23,7 @@
     },
 
     "require": {
-        "symfony/process": "2.4.*"
+        "symfony/process": "~2.4"
     },
     "require-dev": {
         "psr/log": "~1"
