Merged non-Windows implementations of Process::terminate, and made it call std::terminate()

modules/juce_core/native/juce_android_Threads.cpp

@@ -62,11 +62,6 @@ void Process::setPriority (ProcessPriority prior)
     pthread_setschedparam (pthread_self(), policy, &param);
 }
 
-void Process::terminate()
-{
-    std::exit (EXIT_FAILURE);
-}
-
 JUCE_API bool JUCE_CALLTYPE juce_isRunningUnderDebugger()
 {
     return false;

modules/juce_core/native/juce_linux_Threads.cpp

@@ -52,11 +52,6 @@ void Process::setPriority (const ProcessPriority prior)
     pthread_setschedparam (pthread_self(), policy, &param);
 }
 
-void Process::terminate()
-{
-    std::exit (EXIT_FAILURE);
-}
-
 JUCE_API bool JUCE_CALLTYPE juce_isRunningUnderDebugger()
 {
    #if JUCE_BSD

modules/juce_core/native/juce_mac_Threads.mm

@@ -65,11 +65,6 @@ void Process::lowerPrivilege()
     jassertfalse;
 }
 
-void Process::terminate()
-{
-    std::exit (EXIT_FAILURE);
-}
-
 void Process::setPriority (ProcessPriority)
 {
     // xxx

modules/juce_core/native/juce_posix_SharedCode.h

@@ -150,6 +150,10 @@ void JUCE_CALLTYPE Thread::sleep (int millisecs)
     nanosleep (&time, nullptr);
 }
 
+void Process::terminate()
+{
+    std::terminate();
+}
 
 //==============================================================================
 const juce_wchar File::separator = '/';