[processing] fixed missing colon in function definition

Author: volaya

python/plugins/processing/script/ScriptAlgorithmProvider.py

@@ -77,5 +77,5 @@ def _loadAlgorithms(self):
         folder = ScriptUtils.scriptsFolder()
         self.algs = ScriptUtils.loadFromFolder(folder)
 
-    def addAlgorithmsFromFolder(self, folder)
+    def addAlgorithmsFromFolder(self, folder):
         self.algs.extend(ScriptUtils.loadFromFolder(folder))