Merge #136: cmake: Fix linter warnings

399e182 fixup! cmake: Add `Maintenance` module (Hennadii Stepanov)
686fa83 fixup! qt, build: Drop `QT_STATICPLUGIN` macro (Hennadii Stepanov)
88e12af fixup! cmake: Add `GenerateBuildInfo.cmake` script (Hennadii Stepanov)

Pull request description:

ACKs for top commit:
  pablomartin4btc:
    cr ACK 399e182

Tree-SHA512: 769a0b63b5c78436131b5b87561d549b2e28e9376ba4b3a1eab5c4e3e91238797b6a3a01412d8e471dea5fc0fbdffe37b0b16a5a49703218f3f9a904a903a68b

cmake/script/GenerateBuildInfo.cmake

@@ -10,7 +10,7 @@ macro(fatal_error)
     "  cmake -D BUILD_INFO_HEADER_PATH=<path> [-D SOURCE_DIR=<path>] -P ${CMAKE_CURRENT_LIST_FILE}\n"
     "All specified paths must be absolute ones.\n"
   )
-endmacro()  
+endmacro()
 
 if(DEFINED BUILD_INFO_HEADER_PATH AND IS_ABSOLUTE "${BUILD_INFO_HEADER_PATH}")
   if(EXISTS "${BUILD_INFO_HEADER_PATH}")

cmake/script/macos_zip.sh

@@ -3,6 +3,8 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or https://opensource.org/license/mit/.
 
+export LC_ALL=C
+
 if [ -n "$SOURCE_DATE_EPOCH" ]; then
   find . -exec touch -d "@$SOURCE_DATE_EPOCH" {} +
 fi

src/qt/guiutil.cpp

@@ -2,10 +2,6 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#if defined(HAVE_CONFIG_H)
-#include <config/bitcoin-config.h>
-#endif
-
 #include <qt/guiutil.h>
 
 #include <qt/bitcoinaddressvalidator.h>