Follow-up on 6aea300d: increase ring spacings
diff --git a/lef/user_project_wrapper.lef b/lef/user_project_wrapper.lef
index ac413eb..a799362 100644
--- a/lef/user_project_wrapper.lef
+++ b/lef/user_project_wrapper.lef
@@ -4499,7 +4499,7 @@
         RECT 2704.020 -9.220 2707.020 2.400 ;
         RECT 2884.020 -9.220 2887.020 2.400 ;
         RECT 2926.600 -4.620 2929.600 3524.300 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -9.070 3523.010 -7.890 3524.190 ;
         RECT -9.070 3521.410 -7.890 3522.590 ;
         RECT 4.930 3523.010 6.110 3524.190 ;
@@ -4895,7 +4895,7 @@
         RECT 2614.020 -9.220 2617.020 2.400 ;
         RECT 2794.020 -9.220 2797.020 2.400 ;
         RECT 2931.200 -9.220 2934.200 3528.900 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -13.670 3527.610 -12.490 3528.790 ;
         RECT -13.670 3526.010 -12.490 3527.190 ;
         RECT 94.930 3527.610 96.110 3528.790 ;
@@ -5275,7 +5275,7 @@
         RECT 2722.020 -18.420 2725.020 2.400 ;
         RECT 2902.020 -18.420 2905.020 2.400 ;
         RECT 2935.800 -13.820 2938.800 3533.500 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -18.270 3532.210 -17.090 3533.390 ;
         RECT -18.270 3530.610 -17.090 3531.790 ;
         RECT 22.930 3532.210 24.110 3533.390 ;
@@ -5671,7 +5671,7 @@
         RECT 2632.020 -18.420 2635.020 2.400 ;
         RECT 2812.020 -18.420 2815.020 2.400 ;
         RECT 2940.400 -18.420 2943.400 3538.100 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -22.870 3536.810 -21.690 3537.990 ;
         RECT -22.870 3535.210 -21.690 3536.390 ;
         RECT 112.930 3536.810 114.110 3537.990 ;
@@ -6049,7 +6049,7 @@
         RECT 2560.020 -27.620 2563.020 2.400 ;
         RECT 2740.020 -27.620 2743.020 2.400 ;
         RECT 2945.000 -23.020 2948.000 3542.700 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -27.470 3541.410 -26.290 3542.590 ;
         RECT -27.470 3539.810 -26.290 3540.990 ;
         RECT 40.930 3541.410 42.110 3542.590 ;
@@ -6437,7 +6437,7 @@
         RECT 2650.020 -27.620 2653.020 2.400 ;
         RECT 2830.020 -27.620 2833.020 2.400 ;
         RECT 2949.600 -27.620 2952.600 3547.300 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -32.070 3546.010 -30.890 3547.190 ;
         RECT -32.070 3544.410 -30.890 3545.590 ;
         RECT 130.930 3546.010 132.110 3547.190 ;
@@ -6815,7 +6815,7 @@
         RECT 2578.020 -36.820 2581.020 2.400 ;
         RECT 2758.020 -36.820 2761.020 2.400 ;
         RECT 2954.200 -32.220 2957.200 3551.900 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -36.670 3550.610 -35.490 3551.790 ;
         RECT -36.670 3549.010 -35.490 3550.190 ;
         RECT 58.930 3550.610 60.110 3551.790 ;
@@ -7203,7 +7203,7 @@
         RECT 2668.020 -36.820 2671.020 2.400 ;
         RECT 2848.020 -36.820 2851.020 2.400 ;
         RECT 2958.800 -36.820 2961.800 3556.500 ;
-      LAYER M4M5_PR_C ;
+      LAYER via4 ;
         RECT -41.270 3555.210 -40.090 3556.390 ;
         RECT -41.270 3553.610 -40.090 3554.790 ;
         RECT 148.930 3555.210 150.110 3556.390 ;