ltrace: Add -Wno-deprecated-declarations

Add option to ignore the following issue:

    source/sysdeps/linux-gnu/proc.c:245:3: error: 'readdir_r' is deprecated [-Werror=deprecated-declarations]
    if (readdir_r(d, &entry, &result) != 0) {
    ^~
    In file included from .../source/sysdeps/linux-gnu/proc.c:31:0:
    /usr/include/dirent.h:183:12: note: declared here
    extern int readdir_r (DIR *__restrict __dirp,
               ^~~~~~~~~
    cc1: all warnings being treated as errors

ltrace.be0

@@ -51,9 +51,9 @@ SRCURL[0]="https://www.ltrace.org/ltrace_${PKGVERSION}.orig.tar.bz2"
 #    bee_configure
 #}
 
-#mee_build() {
-#    bee_build
-#}
+mee_build() {
+    bee_build CFLAGS='-Wno-deprecated-declarations'
+}
 
 #mee_install() {
 #    bee_install