Doxygen now output warnings formated for MSVC by default

(and easy to comment back to GCC like warnings)

Author: SRombauts

Doxyfile

@@ -735,7 +735,8 @@ WARN_NO_PARAMDOC       = YES
 # FILE_VERSION_FILTER)
 # The default value is: $file:$line: $text.
 
-WARN_FORMAT            = "$file:$line: $text"
+#WARN_FORMAT            = "$file:$line: $text"   # GCC warning format
+WARN_FORMAT            = "$file($line): $text"  # MSVC warning format
 
 # The WARN_LOGFILE tag can be used to specify a file to which warning and error
 # messages should be written. If left blank the output is written to standard