Fix warnings reported by bashate.

See https://pypi.org/project/bashate/ for more info.

cranelift/test-no_std.sh

@@ -8,15 +8,14 @@ set -euo pipefail
 cd $(dirname "$0")
 topdir=$(pwd)
 
-function banner() {
+function banner {
     echo "======  $@  ======"
 }
 
 # Test those packages which have no_std support.
 LIBS="codegen frontend wasm native module simplejit umbrella"
 cd "$topdir"
-for LIB in $LIBS
-do
+for LIB in $LIBS; do
     banner "Rust unit tests in $LIB"
     cd "lib/$LIB"