Backport #975 from trunk:
Warn the user if he/she recalls a sample with EXPERIMENTAL features.
Also, print the EXPERIMENTAL status when listing the samples.

NB: even it is not purely a fix backport, it is still very important that the user gets warned about the EXPERIMENTAL status of the samples.

/branches/1.2/scripts/showSamples.sh | 17 14 3 0 ++++++++++++++---
/branches/1.2/samples/samples.mk | 12 12 0 0 ++++++++++++
2 files changed, 26 insertions(+), 3 deletions(-)

--- gcc-4.2.0.orig/libstdc++-v3/include/c_std/std_cstdio.h	2006-12-07 10:33:51.000000000 +0100

+++ gcc-4.2.0/libstdc++-v3/include/c_std/std_cstdio.h	2007-05-20 01:05:38.000000000 +0200

@@ -144,7 +144,7 @@

 _GLIBCXX_END_NAMESPACE

-#if _GLIBCXX_USE_C99

+#if _GLIBCXX_USE_C99 || defined(__UCLIBC__)

 #undef snprintf

 #undef vfscanf