incorporate process.cc into build

build.cc

@@ -44,7 +44,7 @@ static strvec ASM_SOURCES = {
 
 static fs::path CXX_SOURCE_DIR = "src";
 static strvec CXX_SOURCES = {
-    "context_stack", "environ", "io", "concurrency"
+    "context_stack", "environ", "io", "concurrency", "process"
 };
 
 static fs::path TEST_DIR = "tests";

src/process.cc

@@ -76,7 +76,6 @@ OSTD_EXPORT void split_args_impl(
     int argc = 0;
     wchar_t **pwargs = CommandLineToArgvW(wstr.get(), &argc);
 
-    guard.reset());
     if (!pwargs) {
         throw word_error{"command line parsing failed"};
     }