Tag new+modified fnmatch specs for Truffle.

spec/truffle/tags/core/file/fnmatch_tags.txt

@@ -1,6 +1,10 @@
 fails:File.fnmatch matches entire strings
 fails:File.fnmatch does not match partial strings
-fails:File.fnmatch does not support { } patterns
+fails:File.fnmatch does not support { } patterns by default
+fails:File.fnmatch supports some { } patterns when File::FNM_EXTGLOB is passed
+fails:File.fnmatch doesn't support some { } patterns even when File::FNM_EXTGLOB is passed
+fails:File.fnmatch doesn't match an extra } when File::FNM_EXTGLOB is passed
+fails:File.fnmatch matches when both FNM_EXTGLOB and FNM_PATHNAME are passed
 fails:File.fnmatch matches a single character for each ? character
 fails:File.fnmatch matches zero or more characters for each * character
 fails:File.fnmatch matches ranges of characters using bracket expresions (e.g. [a-z])
@@ -29,7 +33,11 @@ fails:File.fnmatch raises a TypeError if the third argument is not an Integer
 fails:File.fnmatch does not raise a TypeError if the third argument can be coerced to an Integer
 fails:File.fnmatch? matches entire strings
 fails:File.fnmatch? does not match partial strings
-fails:File.fnmatch? does not support { } patterns
+fails:File.fnmatch? does not support { } patterns by default
+fails:File.fnmatch? supports some { } patterns when File::FNM_EXTGLOB is passed
+fails:File.fnmatch? doesn't support some { } patterns even when File::FNM_EXTGLOB is passed
+fails:File.fnmatch? doesn't match an extra } when File::FNM_EXTGLOB is passed
+fails:File.fnmatch? matches when both FNM_EXTGLOB and FNM_PATHNAME are passed
 fails:File.fnmatch? matches a single character for each ? character
 fails:File.fnmatch? matches zero or more characters for each * character
 fails:File.fnmatch? matches ranges of characters using bracket expresions (e.g. [a-z])