add -Wno-pointer-sign to CFLAGS

Originally committed as revision 7713 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/configure b/configure
index 18aad8c..7ba0565 100755 (executable)
--- a/configure
+++ b/configure
@@ -1776,6 +1776,7 @@ check_cflags -Wno-switch
 check_cflags -Wdisabled-optimization
 check_cflags -Wpointer-arith
 check_cflags -Wredundant-decls
+check_cflags -Wno-pointer-sign
 enabled extrawarnings && check_cflags -Winline
 
 # add some linker flags