[slf4j-dev] [qos-ch/slf4j] 50e1c6: fixing SLF4J-515

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/slf4j
  Commit: 50e1c635d5e8a96fb2635dc672c5cdfbe08715e8
      https://github.com/qos-ch/slf4j/commit/50e1c635d5e8a96fb2635dc672c5cdfbe08715e8
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2021-07-08 (Thu, 08 Jul 2021)

  Changed paths:
    M slf4j-simple/src/main/java/org/slf4j/simple/SimpleLogger.java
    M slf4j-simple/src/test/java/org/slf4j/simple/SimpleLoggerMultithreadedInitializationTest.java
    A slf4j-simple/src/test/java/org/slf4j/simple/StringPrintStream.java
    A slf4j-simple/src/test/java/org/slf4j/simple/multiThreadedExecution/MultithereadedExecutionTest.java
    A slf4j-simple/src/test/java/org/slf4j/simple/multiThreadedExecution/StateCheckingPrintStream.java

  Log Message:
  -----------
  fixing SLF4J-515

Signed-off-by: Ceki Gulcu <ceki at qos.ch>