[gnome-disk-utility] Update compiler warning flags once again

[David Zeuthen <davidz src gnome org>]

commit 29806a82820673811710e2b944df131de9b31cfc
Author: David Zeuthen <zeuthen gmail com>
Date:   Mon Jul 9 11:48:39 2012 -0400

    Update compiler warning flags once again
    
    Signed-off-by: David Zeuthen <zeuthen gmail com>

 configure.ac |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9967fde..6e799ed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,12 +38,10 @@ CC_CHECK_CFLAGS_APPEND([                          \
         -Werror=format-security                   \
         -Werror=implicit-function-declaration     \
         -Werror=overflow                          \
-        -Wextra                                   \
         -Wformat-nonliteral                       \
         -Wformat=2                                \
         -Wimplicit                                \
         -Winit-self                               \
-        -Winit-self                               \
         -Wlogical-op                              \
         -Wmissing-declarations                    \
         -Wmissing-format-attribute                \
@@ -61,7 +59,6 @@ CC_CHECK_CFLAGS_APPEND([                          \
         -Wold-style-definition                    \
         -Wpacked                                  \
         -Wpointer-arith                           \
-        -Wredundant-decls                         \
         -Wshadow                                  \
         -Wsign-compare                            \
         -Wstrict-aliasing=2                       \
@@ -78,7 +75,6 @@ CC_CHECK_CFLAGS_APPEND([                          \
         -ffunction-sections                       \
         -fno-common                               \
         -fno-strict-aliasing                      \
-        -fvisibility=hidden                       \
 ])
 
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