Use Unix syntax, needed for Python3

python/local/ovms_module/ovms/extract_lib.py

@@ -93,5 +93,5 @@
     fo.close()
     return foundModule
 
-found = extract('SYS$LIBRARY:STARLET.REQ')
+found = extract('/SYS$LIBRARY/STARLET.REQ')
 if not found:
@@ -97,2 +97,2 @@
 if not found:
-    found = extract('SYS$LIBRARY:LIB.REQ')
+    found = extract('/SYS$LIBRARY/LIB.REQ')