Switch spdlog/fmt to static linking instead of header-only mode.

The header-only mode was a workaround for issues experienced in the past with
spdlog/fmt interaction. Those issues appear to be fixed so that change can be
reverted.

CMakeLists.txt

@@ -125,14 +125,13 @@ target_include_directories(
 target_compile_definitions(
 	"${PROJECT_NAME}"
 	PUBLIC
-		FMT_HEADER_ONLY
-		SPDLOG_HEADER_ONLY
-		SPDLOG_FMT_EXTERNAL
 )
 
 target_link_libraries(
 	"${PROJECT_NAME}"
 	PUBLIC
+		fmt::fmt
+		spdlog::spdlog
 		Version.lib
 )
 

include/REL/Relocation.h

@@ -702,7 +702,7 @@ namespace REL {
             unsigned long length = bufferSize * sizeof(wchar_t);
             std::uint8_t value[bufferSize];
             if (WinAPI::RegGetValueW(WinAPI::HKEY_LOCAL_MACHINE, subKey, L"Installed Path", 0x20002, nullptr, value, &length) !=
-                ERROR_SUCCESS) {
+                0) {
                 return false;
             }
             std::filesystem::path installPath(reinterpret_cast<wchar_t *>(value));