fix build

fishercoder1534 · fishercoder1534 · commit 239d2f321e03 · 2019-01-22T14:22:32.000-08:00
diff --git a/src/main/java/com/fishercoder/solutions/_340.java b/src/main/java/com/fishercoder/solutions/_340.java
@@ -29,7 +29,7 @@ public int lengthOfLongestSubstringKDistinct(String s, int k) {
                     num++;
                 }
                 if (num > k) {
-                    while (--count[s.charAt(left++)] > 0);
+                    while (--count[s.charAt(left++)] > 0) {};
                     num--;
                 }
                 result = Math.max(result, right - left + 1);

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ public int lengthOfLongestSubstringKDistinct(String s, int k) {`
`29`	`29`	`num++;`
`30`	`30`	`}`
`31`	`31`	`if (num > k) {`
`32`		`- while (--count[s.charAt(left++)] > 0);`
	`32`	`+ while (--count[s.charAt(left++)] > 0) {};`
`33`	`33`	`num--;`
`34`	`34`	`}`
`35`	`35`	`result = Math.max(result, right - left + 1);`