Added fix for Optifine support.

ZeroMemes · ZeroMemes · commit e5692c328145 · 2017-08-05T21:46:38.000-05:00
Optifine and ClientAPI pass duplicate launch arguments, causing a crash. This fixes the issue so that duplicate arguments may not be passed.
diff --git a/src/main/java/me/zero/client/load/ClientTweaker.java b/src/main/java/me/zero/client/load/ClientTweaker.java
@@ -85,7 +85,7 @@ private void addArg(String label, File file) {
     }
 
     private void addArg(String label, String value) {
-        if (value != null) {
+        if (!args.contains("--" + label) && value != null) {
             this.args.add("--" + label);
             this.args.add(value);
         }

Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ private void addArg(String label, File file) {`
`85`	`85`	`}`
`86`	`86`
`87`	`87`	`private void addArg(String label, String value) {`
`88`		`- if (value != null) {`
	`88`	`+ if (!args.contains("--" + label) && value != null) {`
`89`	`89`	`this.args.add("--" + label);`
`90`	`90`	`this.args.add(value);`
`91`	`91`	`}`