Add NEWLINE_STYLE to cmake install (#9131)

Looks like CMake before 3.20.0 doesn't generate newlines at all without
this configuration option. CMake 3.20.0 and prior, however, generates
newlines by default which is why this didn't show up in CI or
development.

Closes #9126

crates/c-api/cmake/install-headers.cmake

@@ -11,7 +11,8 @@ set(include_src "${CMAKE_CURRENT_LIST_DIR}/../include")
 
 message(STATUS "Installing: ${dst}/wasmtime/conf.h")
 file(READ "${include_src}/wasmtime/conf.h.in" conf_h)
-file(CONFIGURE OUTPUT "${dst}/wasmtime/conf.h" CONTENT "${conf_h}")
+file(CONFIGURE OUTPUT "${dst}/wasmtime/conf.h" CONTENT "${conf_h}"
+     NEWLINE_STYLE CRLF)
 file(INSTALL "${include_src}/"
      DESTINATION "${dst}"
      FILES_MATCHING REGEX "\\.hh?$")