Use Unicode escape code instead of literal

SquidDev · SquidDev · commit 3e751ee94aa1 · 2018-03-29T11:47:45.000+01:00
It doesn't compile under Gradle on my system. Goodness knows why not.
diff --git a/src/main/java/dan200/computercraft/shared/command/framework/TextFormatter.java b/src/main/java/dan200/computercraft/shared/command/framework/TextFormatter.java
@@ -18,7 +18,7 @@
 public class TextFormatter
 {
     private static final int SPACE_WIDTH = 4;
-    private static final char PADDING_CHAR = 'ˌ';
+    private static final char PADDING_CHAR = '\u02cc';
 
     /**
      * Yoinked from FontRenderer

Original file line number	Diff line number	Diff line change
`@@ -18,7 +18,7 @@`
`18`	`18`	`public class TextFormatter`
`19`	`19`	`{`
`20`	`20`	`private static final int SPACE_WIDTH = 4;`
`21`		`- private static final char PADDING_CHAR = 'ˌ';`
	`21`	`+ private static final char PADDING_CHAR = '\u02cc';`
`22`	`22`
`23`	`23`	`/**`
`24`	`24`	`* Yoinked from FontRenderer`