Fix JNI library loading for new JRE versions.

The error message now has the library path printed after it. To support
both old and new error message formats, we accept any text after the
message "no tox4j-c in java.library.path".

Author: iphydf

build.sbt

@@ -1,7 +1,7 @@
 // General settings.
 organization  := "org.toktok"
 name          := "tox4j-c"
-version       := "0.2.1"
+version       := "0.2.2"
 scalaVersion  := "2.11.12"
 
 bintrayVcsUrl := Some("https://github.com/TokTok/jvm-toxcore-c")

src/main/java/im/tox/tox4j/impl/jni/ToxLoadJniLibrary.scala

@@ -15,7 +15,7 @@ object ToxLoadJniLibrary {
 
   private val AlreadyLoaded = "Native Library (.+) already loaded in another classloader".r
   private val NotFoundDalvik = "Couldn't load .+ from loader .+ findLibrary returned null".r
-  private val NotFoundJvm = "no .+ in java.library.path".r
+  private val NotFoundJvm = "no .+ in java.library.path.*".r
 
   private def withTempFile(name: String)(block: File => Boolean): Boolean = {
     val (prefix, suffix) = name.splitAt(name.lastIndexOf("."))
@@ -113,7 +113,8 @@ object ToxLoadJniLibrary {
           case NotFoundDalvik() =>
             logger.error(s"Could not load native library '$name'; giving up.")
             false
-          case _ =>
+          case msg =>
+            logger.error(s"Unhandled UnsatisfiedLinkError: '$msg'.")
             false
         }) {
           logger.debug(s"Loading '$name' successful")