fix

Author: tgoyne

build.sh

@@ -965,7 +965,7 @@ case "$COMMAND" in
 
     "install-xcode-platform")
         target="$2"
-        if (( $REALM_XCODE_VERSION = 26 )); then
+        if [[ "$REALM_XCODE_VERSION" = 26 ]]; then
             # downloadPlatform fails on GHA for Xcode 26.2 with "Unable to
             # connect to simulator.", and for some reason listing the simulators
             # first fixes the problem. On all other Xcode versions listing the