Corrected the "defaultoverlap" and "defaultperimeter" entries for
metal5 in the magic techfile, which had gotten swapped in
yesterday's commit.

sky130/magic/sky130.tech

diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index 304b4e4..f34aad5 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -5654,8 +5654,8 @@
  defaultsidewall    allm5 metal5 127.06
 #ifdef RERAM
  defaultareacap     allm5 metal5 5.99
- defaultoverlap     allm5 metal5 5.99
- defaultperimeter   allm5 metal5 nwell,pwell well  36.83
+ defaultperimeter   allm5 metal5 5.99
+ defaultoverlap     allm5 metal5 nwell,pwell well  36.83
  defaultsideoverlap allm5 metal5 nwell,pwell well  36.83
 
 #metal5->diff