fix scope of variable x in get_fname function. Fixes #41

Author: hdashnow

pipelines/pipeline_stages.groovy

@@ -9,7 +9,7 @@ SLOP=5
 // Helper functions
 
 def get_fname(path) {
-    x = path.split('/')[-1]
+    def x = path.split('/')[-1]
     return(x)
 }