Fix release script to update version check in bootstrap files.

release.sh

@@ -46,6 +46,13 @@ update_version() {
       s/^#define CAPNP_VERSION_MICRO [0-9]+\$/#define CAPNP_VERSION_MICRO ${NEW_ARR[2]:-0}/g" \
       c++/src/capnp/common.h
 
+  local NEW_COMBINED=$(( ${NEW_ARR[0]} * 1000000 + ${NEW_ARR[1]} * 1000 + ${NEW_ARR[2]:-0 }))
+  doit sed -i -re "s/^#if CAPNP_VERSION != [0-9]*\$/#if CAPNP_VERSION != $NEW_COMBINED/g" \
+      c++/src/capnp/c++.capnp.h \
+      c++/src/capnp/schema.capnp.h \
+      c++/src/capnp/compiler/lexer.capnp.h \
+      c++/src/capnp/compiler/grammar.capnp.h
+
   doit git commit -a -m "Set $BRANCH_DESC version to $NEW."
 }