Fix a bug in the json produced by MCA.

scan-filesystem/cython/main.pyx

@@ -212,7 +212,7 @@ cdef cypclass FileNode(Node):
             Node.format_node(self)
         else:
             #''' light data version
-            self.formatted = sprintf("""{"path: "%s", "hash": {"md5": "%s"}}\n""",
+            self.formatted = sprintf("""{"path": "%s", "hash": {"md5": "%s"}}\n""",
                 self.path,
                 self.md5_data,
             )