Fix syntax

Author: peterfriese

scripts/test.sh

@@ -26,10 +26,10 @@ xcode_major="${xcode_version/.*/}"
 
 if [[ "$xcode_major" -ge 26 ]]; then
   iphone_version="17"
-  ios_version: "26"
+  ios_version="26"
 elif [[ "$xcode_major" -ge 16 ]]; then
   iphone_version="16"
-  ios_version: "18"
+  ios_version="18"
 else
   echo "Unsupported Xcode version $xcode_version; exiting." 1>&2
   exit 1