Minor correction to techfile to replace a measurement value in a
DRC spacing rule explanation string with the "%d" formatting
string, as pointed out by Mark Martin.

VERSION

diff --git a/VERSION b/VERSION
index cd41d39..e2b5bea 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.166
+1.0.167

sky130/magic/sky130.tech

diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index ed94c83..d2bdab8 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -4508,7 +4508,7 @@
 
  width v2/m2 280 "via2.width < %d (via2.1a + 2 * via2.4)"
 
- spacing v2 v2 120 touching_ok "via2.spacing < 0.24um (via2.2 - 2 * via2.4)"
+ spacing v2 v2 120 touching_ok "via2.spacing < %d (via2.2 - 2 * via2.4)"
 
  surround v2/m2 *m2 45 directional \
 	"Metal2 overlap of via2.< %d in one direction (via2.4a - via2.4)"