Replace all of \r\n, \n, and \r in diagnostics.

Author: mrdziuban

frontend/src/test/scala/bloop/bsp/BspClientTest.scala

@@ -339,8 +339,7 @@ trait BspClientTest {
                 val canonical = pathString.replace(File.separatorChar, '/')
                 val report = diagnostics.map(
                   _.copy(source = Some("_"), code = Some("_")).toString
-                    .replace("\n", " ")
-                    .replace(END_OF_LINE_MATCHER, " ")
+                    .replaceAll(END_OF_LINE_MATCHER, " ")
                 )
                 builder
                   .++=(s"#${compileIteration()}: $canonical\n")

shared/src/main/scala/bloop/io/Environment.scala

@@ -51,7 +51,7 @@ object Environment {
    *  - "\r\n"
    *  - "\r"
    */
-  def END_OF_LINE_MATCHER = "\r\n|\n"
+  def END_OF_LINE_MATCHER = "\r\n|\n|\r"
 
   /*
    * A list of valid shell paths.  The SHELL environment variable must