chore:keep origin c format

runtime/internal/lib/internal/syscall/unix/_unix/fcntl_unix.cpp

@@ -9,6 +9,8 @@ struct fcntl_ret
     int32_t err; // Error code
 };
 
+extern "C" {
+
 // llgo_fcntl implements the fcntl system call wrapper for Go
 // fd: file descriptor
 // cmd: fcntl command
@@ -30,4 +32,6 @@ struct fcntl_ret llgo_fcntl2(int32_t fd, int32_t cmd, int32_t arg)
     }
 
     return ret;
-}
+}
+
+}

runtime/internal/lib/runtime/_wrap/runtime.cpp

@@ -2,11 +2,13 @@
 
 extern "C" {
 
-int llgo_maxprocs() {
+int llgo_maxprocs()
+{
 #ifdef _SC_NPROCESSORS_ONLN
     return (int)sysconf(_SC_NPROCESSORS_ONLN);
 #else
     return 1;
 #endif
 }
-}
+
+}