Merge bitcoin#18108: Fix .gitignore policy in build_msvc directory

dcb7af0 Ignore only auto-generated .vcxproj files (Hennadii Stepanov)
79c811c Specify ignored bitcoin-qt file precisely (Hennadii Stepanov)

Pull request description:

  This PR makes `git` to ignore only auto-generated `.vcxproj` files, i.e.:
  https://github.com/bitcoin/bitcoin/blob/4c2578706c70148fc001f42a0918a2fb10252b43/build_msvc/msvc-autogen.py#L14-L25

  Fix bitcoin#17287

ACKs for top commit:
  sipsorcery:
    ACK dcb7af0.

Tree-SHA512: 5acfc3cb50e1239655bc9715711c8a0489093ed7cc287756614740f67908f11a55976cec75b29e263d4d3579b6b8af99bb3823515d43adf204cd5935fb2e1a3f

Author: MarcoFalke

.gitignore

@@ -90,7 +90,7 @@ src/qt/bitcoin-qt.includes
 *.qm
 Makefile
 !depends/Makefile
-bitcoin-qt
+src/qt/bitcoin-qt
 Bitcoin-Qt.app
 background.tiff*
 

build_msvc/.gitignore

@@ -8,7 +8,19 @@ packages/*
 */Release
 */x64
 *.vcxproj.user
-*.vcxproj
+
+# .vcxproj files that are auto-generated by the msvc-autogen.py script.
+libbitcoin_cli/libbitcoin_cli.vcxproj
+libbitcoin_common/libbitcoin_common.vcxproj
+libbitcoin_crypto/libbitcoin_crypto.vcxproj
+libbitcoin_server/libbitcoin_server.vcxproj
+libbitcoin_util/libbitcoin_util.vcxproj
+libbitcoin_wallet_tool/libbitcoin_wallet_tool.vcxproj
+libbitcoin_wallet/libbitcoin_wallet.vcxproj
+libbitcoin_zmq/libbitcoin_zmq.vcxproj
+bench_bitcoin/bench_bitcoin.vcxproj
+libtest_util/libtest_util.vcxproj
+
 */Win32
 libbitcoin_qt/QtGeneratedFiles/*
 test_bitcoin-qt/QtGeneratedFiles/*