Merge pull request go-lang-plugin-org#653 from twoolie/mi-parser2

Fixes go-lang-plugin-org#639: Debugger Failure when encountering "=" prefixed output

Author: mtoader

src/uk/co/cwspencer/gdb/gdbmi/GdbMiParser2.java

@@ -126,7 +126,11 @@ private String[] convertGoOutput(byte[] data) {
     }
 
     private Boolean isGdbMiLine(String line) {
-        if (START_TOKENS.contains(line.substring(0, 1))) {
+        if (line.length() < 2) {
+            return false;
+        }
+        if (START_TOKENS.contains(line.substring(0, 1)) &&
+                !line.substring(0, 1).equals(line.substring(1, 2))) {
             return true;
         }