C++11 does not allow char literals with highest bit set unless cast

[ANDREW LAZARUS]

This is Jira 400.

C++11 has tighter rules on char literals with high bit set. The following 
patches appear to restore compliance.

diff --git a/src/main/cpp/locationinfo.cpp b/src/main/cpp/locationinfo.cpp
index e76ea29..1daa3a5 100644
--- a/src/main/cpp/locationinfo.cpp
+++ b/src/main/cpp/locationinfo.cpp
@@ -153,8 +153,8 @@ void LocationInfo::write(ObjectOutputStream& os, Pool& p) 
const {
          0x61, 0x70, 0x61, 0x63, 0x68, 0x65, 0x2E, 0x6C, 
          0x6F, 0x67, 0x34, 0x6A, 0x2E, 0x73, 0x70, 0x69, 
          0x2E, 0x4C, 0x6F, 0x63, 0x61, 0x74, 0x69, 0x6F, 
-         0x6E, 0x49, 0x6E, 0x66, 0x6F, 0xED, 0x99, 0xBB, 
-         0xE1, 0x4A, 0x91, 0xA5, 0x7C, 0x02, 0x00, 0x01, 
+         0x6E, 0x49, 0x6E, 0x66, 0x6F, static_cast<char>(0xED), 
static_cast<char>(0x99), static_cast<char>(0xBB), 
+         static_cast<char>(0xE1), 0x4A, static_cast<char>(0x91), 
static_cast<char>(0xA5), 0x7C, 0x02, 0x00, 0x01, 
          0x4C, 0x00, 0x08, 0x66, 0x75, 0x6C, 0x6C, 0x49, 
          0x6E, 0x66, 0x6F, 
             0x74, 0x00, 0x12, 0x4C, 0x6A, 
diff --git a/src/main/cpp/loggingevent.cpp b/src/main/cpp/loggingevent.cpp
index 1c0d4be..edbf40b 100644
--- a/src/main/cpp/loggingevent.cpp
+++ b/src/main/cpp/loggingevent.cpp
@@ -242,7 +242,7 @@ void LoggingEvent::writeProlog(ObjectOutputStream& os, 
Pool& p)  {
         0x68, 0x65, 0x2E, 0x6C, 0x6F, 0x67, 0x34, 0x6A, 
         0x2E, 0x73, 0x70, 0x69, 0x2E, 0x4C, 0x6F, 0x67, 
         0x67, 0x69, 0x6E, 0x67, 0x45, 0x76, 0x65, 0x6E, 
-        0x74, 0xF3, 0xF2, 0xB9, 0x23, 0x74, 0x0B, 0xB5, 
+        0x74, static_cast<char>(0xF3), static_cast<char>(0xF2), 
static_cast<char>(0xB9), 0x23, 0x74, 0x0B, static_cast<char>(0xB5), 
         0x3F, 0x03, 0x00, 0x0A, 0x5A, 0x00, 0x15, 0x6D, 
         0x64, 0x63, 0x43, 0x6F, 0x70, 0x79, 0x4C, 0x6F, 
         0x6F, 0x6B, 0x75, 0x70, 0x52, 0x65, 0x71, 0x75,