Silence SC1117 warnings

scripts/maint/updateRustDependencies.sh

@@ -27,19 +27,19 @@ VENDORED="$TOPLEVEL/src/ext/rust/crates"
 CARGO=$(which cargo)
 
 if ! test -f "$TOML"  ; then
-    printf "Error: Couldn't find workspace Cargo.toml in expected location: %s\n" "$TOML"
+    printf "Error: Couldn't find workspace Cargo.toml in expected location: %s\\n" "$TOML"
 fi
 
 if ! test -d "$VENDORED" ; then
-    printf "Error: Couldn't find directory for Rust dependencies! Expected location: %s\n" "$VENDORED"
+    printf "Error: Couldn't find directory for Rust dependencies! Expected location: %s\\n" "$VENDORED"
 fi
 
 if test -z "$CARGO" ; then
-    printf "Error: cargo must be installed and in your \$PATH\n"
+    printf "Error: cargo must be installed and in your \$PATH\\n"
 fi
 
 if test -z $(cargo --list | grep vendor) ; then
-    printf "Error: cargo-vendor not installed\n"
+    printf "Error: cargo-vendor not installed\\n"
 fi
 
 $CARGO vendor -v --locked --explicit-version --no-delete --sync $TOML $VENDORED