Merge #10803: Explicitly search for bdb5.3.

1cc251f Explicitly search for bdb5.3. (Patrick Strateman)

Pull request description:

  Some systems do not symlink the major version to the minor version.

Tree-SHA512: 09c030f08442cbe54928a6d20bec31aae2662facf60b859ff9febd84f0711f68d7f920b84fb015764585b305d48faf74c5fe9c3c6a713a0809b78ec066187dd9

build-aux/m4/bitcoin_find_bdb48.m4

@@ -12,7 +12,7 @@ AC_DEFUN([BITCOIN_FIND_BDB48],[
     bdbpath=X
     bdb48path=X
     bdbdirlist=
-    for _vn in 4.8 48 4 5 ''; do
+    for _vn in 4.8 48 4 5 5.3 ''; do
       for _pfx in b lib ''; do
         bdbdirlist="$bdbdirlist ${_pfx}db${_vn}"
       done