Add Checkstyle MultipleVariableDeclarations

Author: garydgregory

src/conf/checkstyle.xml

@@ -57,6 +57,7 @@ limitations under the License.
     <module name="LeftCurly" />
     <module name="MissingOverride" />
     <module name="ModifierOrder" />
+    <module name="MultipleVariableDeclarations" />
     <module name="NeedBraces" />
     <module name="ParenPad" />
     <module name="RedundantImport" />

src/main/java/org/apache/commons/io/input/ReadAheadInputStream.java

@@ -414,7 +414,8 @@ private void readAsync() throws IOException {
             //
             // So there is no race condition in both the situations.
             int read = 0;
-            int off = 0, len = arr.length;
+            int off = 0;
+            int len = arr.length;
             Throwable exception = null;
             try {
                 // try to fill the read ahead buffer.

src/test/java/org/apache/commons/io/test/TestUtils.java

@@ -64,7 +64,8 @@ public static void assertEqualContent(final byte[] b0, final File file) throws I
      * @throws IOException If an I/O error occurs while reading the file contents
      */
     public static void assertEqualContent(final byte[] b0, final Path file) throws IOException {
-        int count = 0, numRead = 0;
+        int count = 0;
+        int numRead = 0;
         final byte[] b1 = new byte[b0.length];
         try (InputStream is = Files.newInputStream(file)) {
             while (count < b0.length && numRead >= 0) {
@@ -97,7 +98,8 @@ public static void assertEqualContent(final char[] c0, final File file) throws I
      * @throws IOException If an I/O error occurs while reading the file contents
      */
     public static void assertEqualContent(final char[] c0, final Path file) throws IOException {
-        int count = 0, numRead = 0;
+        int count = 0;
+        int numRead = 0;
         final char[] c1 = new char[c0.length];
         try (Reader ir = Files.newBufferedReader(file)) {
             while (count < c0.length && numRead >= 0) {