strat: use 1 fewer fs session at runtime (and match official ncm usage)

stratosphere/boot/source/boot_main.cpp

@@ -35,6 +35,7 @@ extern "C" {
     extern u32 __start__;
 
     u32 __nx_applet_type = AppletType_None;
+    u32 __nx_fs_num_sessions = 1;
 
     /* TODO: Evaluate to what extent this can be reduced further. */
     #define INNER_HEAP_SIZE 0x20000

stratosphere/ncm/source/ncm_main.cpp

@@ -19,6 +19,7 @@ extern "C" {
     extern u32 __start__;
 
     u32 __nx_applet_type = AppletType_None;
+    u32 __nx_fs_num_sessions = 2;
 
     #define INNER_HEAP_SIZE 0x8000
     size_t nx_inner_heap_size = INNER_HEAP_SIZE;