fix: crash on bad array dimension

Author: boriel

src/zxbc/zxbparser.py

@@ -797,6 +797,7 @@ def check_bound(boundlist, remaining):
                 return True  # It's OK :-)
 
             error(lineno, "Unexpected extra vector dimensions. It should be %i" % len(remaining))
+            return False
 
         if not isinstance(remaining, list):
             error(lineno, "Mismatched vector size. Missing %i extra dimension(s)" % len(boundlist))

tests/functional/zx48k/dim_dyn_err.bas

@@ -0,0 +1,2 @@
+dim r(0 to r) as ulong => {40000, 35000, 30000, 25000, 20000, 15000, 10000}
+