run_tests.sh: avoid '+=' in bash arrays (compatibility with old bash).

See #135 "In installation "make check" give syntax error".

diff --git a/re2c/run_tests.sh.in b/re2c/run_tests.sh.in
index 42ea7ed884c804b7c1ce18bc7f9b2f48d6f3c9ec..abb5ec23d659b5ea1e58ce3676dc92ea2d3ee9b0 100644 (file)
--- a/re2c/run_tests.sh.in
+++ b/re2c/run_tests.sh.in
@@ -49,7 +49,7 @@ do
                                threads=$number
                        fi
                        ;;
-               * ) tests+=("$arg") ;;
+               * ) tests[${#tests[@]}]="$arg" ;; # array is continuous (old bash lacks +=)
        esac
 done
 echo "Running in ${threads} thread(s)"