Merge bitcoin/bitcoin#24268: Add bitcoin_config.h to build_msvc/.gitignore

d570f26 Add bitcoin_config.h to build_msvc/.gitignore (Hennadii Stepanov)

Pull request description:

  `bitcoin_config.h` is auto-generated by the `msvc-autogen.py` script.

ACKs for top commit:
  sipsorcery:
    ACK d570f26
  vincenzopalazzo:
    ACK bitcoin/bitcoin@d570f26

Tree-SHA512: 913a04733454e3f9309db19e53a9f499fb304a9d1bff5aa51f2b2938adbd67d35ddacb31c5a2cec8790a060b1ee48c546bc3e755ee4945023b23fc9236deb3e4

Author: fanquake

build_msvc/.gitignore

@@ -21,6 +21,8 @@ libbitcoin_zmq/libbitcoin_zmq.vcxproj
 bench_bitcoin/bench_bitcoin.vcxproj
 libtest_util/libtest_util.vcxproj
 
+/bitcoin_config.h
+
 */Win32
 libbitcoin_qt/QtGeneratedFiles/*
 test_bitcoin-qt/QtGeneratedFiles/*