Adjust previous change to behave as intended.

lisp/calc/calc-vec.el

@@ -759,13 +759,13 @@
 	  (math-reject-arg n "*Index out of range")))))
 
 (defun calcFunc-subscr (mat n &optional m)
-  (if (eq (car-safe mat) 'var) nil)
-  (setq mat (calcFunc-mrow mat n))
-  (if m
-      (if (math-num-integerp n)
-	  (calcFunc-mrow mat m)
-	(calcFunc-mcol mat m))
-    mat))
+  (if (eq (car-safe mat) 'var) nil
+    (setq mat (calcFunc-mrow mat n))
+    (if m
+        (if (math-num-integerp n)
+            (calcFunc-mrow mat m)
+          (calcFunc-mcol mat m))
+      mat)))
 
 ;;; Get the Nth column of a matrix.
 (defun math-mat-col (mat n)