Carla: Fix force-stereo logic check

c++/carla-backend/carla_native.cpp

@@ -1661,7 +1661,7 @@ CarlaPlugin* CarlaPlugin::newNative(const initializer& init)
 
     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)
     {
-        if (! plugin->hints() & PLUGIN_CAN_FORCE_STEREO)
+        if (! (plugin->hints() & PLUGIN_CAN_FORCE_STEREO))
         {
             setLastError("Carla's rack mode can only work with Mono or Stereo Internal plugins, sorry!");
             delete plugin;

c++/carla-backend/dssi.cpp

@@ -1558,17 +1558,17 @@ CarlaPlugin* CarlaPlugin::newDSSI(const initializer& init, const void* const ext
 
     plugin->reload();
 
-#ifndef BUILD_BRIDGE
+#  ifndef BUILD_BRIDGE
     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)
     {
-        if (! plugin->hints() & PLUGIN_CAN_FORCE_STEREO)
+        if (! (plugin->hints() & PLUGIN_CAN_FORCE_STEREO))
         {
             setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");
             delete plugin;
             return nullptr;
         }
     }
-#endif
+#  endif
 
     plugin->registerToOscControl();
 

c++/carla-backend/ladspa.cpp

@@ -1163,17 +1163,17 @@ CarlaPlugin* CarlaPlugin::newLADSPA(const initializer& init, const void* const e
 
     plugin->reload();
 
-#ifndef BUILD_BRIDGE
+#  ifndef BUILD_BRIDGE
     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)
     {
-        if (! plugin->hints() & PLUGIN_CAN_FORCE_STEREO)
+        if (! (plugin->hints() & PLUGIN_CAN_FORCE_STEREO))
         {
             setLastError("Carla's rack mode can only work with Mono or Stereo LADSPA plugins, sorry!");
             delete plugin;
             return nullptr;
         }
     }
-#endif
+#  endif
 
     plugin->registerToOscControl();
 

c++/carla-backend/lv2.cpp

@@ -4510,17 +4510,17 @@ CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)
 
     plugin->reload();
 
-#ifndef BUILD_BRIDGE
+#  ifndef BUILD_BRIDGE
     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)
     {
-        if (! plugin->hints() & PLUGIN_CAN_FORCE_STEREO)
+        if (! (plugin->hints() & PLUGIN_CAN_FORCE_STEREO))
         {
             setLastError("Carla's rack mode can only work with Mono (simple) or Stereo LV2 plugins, sorry!");
             delete plugin;
             return nullptr;
         }
     }
-#endif
+#  endif
 
     plugin->registerToOscControl();
     plugin->updateUi();

c++/carla-backend/vst.cpp

@@ -2308,17 +2308,17 @@ CarlaPlugin* CarlaPlugin::newVST(const initializer& init)
 
     plugin->reload();
 
-#ifndef BUILD_BRIDGE
+#  ifndef BUILD_BRIDGE
     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)
     {
-        if (! plugin->hints() & PLUGIN_CAN_FORCE_STEREO)
+        if (! (plugin->hints() & PLUGIN_CAN_FORCE_STEREO))
         {
             setLastError("Carla's rack mode can only work with Stereo VST plugins, sorry!");
             delete plugin;
             return nullptr;
         }
     }
-#endif
+#  endif
 
     plugin->registerToOscControl();