Fix one last SC2086

scripts/test/coverage

@@ -13,7 +13,7 @@ for fn in src/core/*/*.c src/feature/*/*.c src/app/*/*.c src/lib/*/*.c; do
     F=$(echo "$BN" | sed -e 's/\.c$//;')
     GC="${BN}.gcov"
     # Figure out the object file names
-    ONS=$(echo ${DN}/src_*-${F}.o)
+    ONS=$(echo "${DN}"/src_*-"${F}".o)
     ONS_WILDCARD_LITERAL="${DN}/src_*-${F}.o"
     # If the wildcard didn't expand, no files
     if [ "$ONS" != "${ONS_WILDCARD_LITERAL}" ]