Fixed trailing newline in consoleReadUtf8

backend.native/tests/build.gradle

@@ -478,13 +478,13 @@ task hello0(type: RunKonanTest) {
 }
 
 task hello1(type: RunStandaloneKonanTest) {
-    goldValue = "Hello World\n"
+    goldValue = "Hello World"
     testData = "Hello World\n"
     source = "runtime/basic/hello1.kt"
 }
 
 task hello2(type: RunStandaloneKonanTest) {
-    goldValue = "you entered 'Hello World\n'"
+    goldValue = "you entered 'Hello World'"
     testData = "Hello World\n"
     source = "runtime/basic/hello2.kt"
 }
@@ -518,6 +518,18 @@ task entry2(type: LinkKonanTest) {
     flags = ["-entry", "foo"] 
 }
 
+task readline0(type: RunStandaloneKonanTest) {
+    goldValue = "41"
+    testData = "41\r\n"
+    source = "runtime/basic/readline0.kt"
+}
+
+task readline1(type: RunStandaloneKonanTest) {
+    goldValue = ""
+    testData = "\n"
+    source = "runtime/basic/readline1.kt"
+}
+
 task tostring0(type: RunKonanTest) {
     goldValue = "127\n-1\n239\nA\nЁ\nト\n1122334455\n112233445566778899\n3.14159265358\n1.0E27\n1.0E-300\ntrue\nfalse\n"
     source = "runtime/basic/tostring0.kt"

backend.native/tests/runtime/basic/readline0.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    print(readLine()!!.toInt())
+}

backend.native/tests/runtime/basic/readline1.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    print(readLine()!!)
+}