Change nsm_init signature, using uint64 for pid

Signed-off-by: falkTX <falktx@falktx.com>

source/backend/CarlaHost.h

@@ -1095,7 +1095,7 @@ CARLA_EXPORT const char* carla_get_library_folder();
  * Must be called as early as possible in the program's lifecycle.
  * Returns true if NSM is available and initialized correctly.
  */
-CARLA_EXPORT bool carla_nsm_init(int pid, const char* executableName);
+CARLA_EXPORT bool carla_nsm_init(uint64_t pid, const char* executableName);
 
 /*!
  * Respond to an NSM callback.

source/backend/CarlaStandaloneNSM.cpp

@@ -88,7 +88,7 @@ public:
         }
     }
 
-    bool announce(const int pid, const char* const executableName)
+    bool announce(const uint64_t pid, const char* const executableName)
     {
         CARLA_SAFE_ASSERT_RETURN(pid != 0, false);
         CARLA_SAFE_ASSERT_RETURN(executableName != nullptr && executableName[0] != '\0', false);
@@ -635,7 +635,7 @@ private:
 
 // -------------------------------------------------------------------------------------------------------------------
 
-bool carla_nsm_init(int pid, const char* executableName)
+bool carla_nsm_init(uint64_t pid, const char* executableName)
 {
 #ifdef HAVE_LIBLO
     return CarlaNSM::getInstance().announce(pid, executableName);

source/frontend/carla_backend.py

@@ -2839,7 +2839,7 @@ class CarlaHostDLL(CarlaHostMeta):
         self.lib.carla_get_host_osc_url_udp.argtypes = None
         self.lib.carla_get_host_osc_url_udp.restype = c_char_p
 
-        self.lib.carla_nsm_init.argtypes = [c_int, c_char_p]
+        self.lib.carla_nsm_init.argtypes = [c_uint64, c_char_p]
         self.lib.carla_nsm_init.restype = c_bool
 
         self.lib.carla_nsm_ready.argtypes = [c_int]