Change header file naming to match methods (#58)

Author: pomadchin

plugin/src/main/java/com/github/sbt/jni/javah/util/Utils.java

@@ -53,8 +53,6 @@ public static String mangleName(String name) {
             char ch = name.charAt(i);
             if (ch == '.') {
                 builder.append('_');
-            } else if (ch == '$') {
-                builder.append("__");
             } else if (ch == '_') {
                 builder.append("_1");
             } else if (ch == ';') {

plugin/src/sbt-test/sbt-jni/multiclasses/native1/src/library.c

@@ -1,6 +1,6 @@
 #include <jni.h>
 #include "multiclasses_Adder.h"
-#include "multiclasses_Adder__.h"
+#include "multiclasses_Adder_00024.h"
 
 /*
  * Class:     multiclasses_Adder

plugin/src/sbt-test/sbt-jni/oneproject/test

@@ -1,4 +1,4 @@
 > +javah
-$ exists src/native/include/simple_Library__.h
+$ exists src/native/include/simple_Library_00024.h
 > nativeInit cmake demo
 > +run

plugin/src/sbt-test/sbt-jni/simple-syntax/test

@@ -1,5 +1,5 @@
 > +javah
-$ exists native/src/include/simple_Library__.h
+$ exists native/src/include/simple_Library_00024.h
 > nativeInit cmake demo
 > +test
 > +core/run

plugin/src/sbt-test/sbt-jni/simple/native/src/library.c

@@ -1,5 +1,5 @@
 #include <stdio.h>
-#include "simple_Library__.h"
+#include "simple_Library_00024.h"
 
 /*
  * Class:     simple_Library__

plugin/src/sbt-test/sbt-jni/simple/test

@@ -1,5 +1,5 @@
 > +javah
-$ exists native/src/include/simple_Library__.h
+$ exists native/src/include/simple_Library_00024.h
 > nativeInit cmake demo
 > +test
 > +core/run