docs: Missing semicolons (#4094)

Add semicolons to Memory view sample code

docs/advanced/pycpp/numpy.rst

@@ -433,7 +433,7 @@ following:
             { 2, 4 },                                  // shape (rows, cols)
             { sizeof(uint8_t) * 4, sizeof(uint8_t) }   // strides in bytes
         );
-    })
+    });
 
 This approach is meant for providing a ``memoryview`` for a C/C++ buffer not
 managed by Python. The user is responsible for managing the lifetime of the
@@ -449,7 +449,7 @@ We can also use ``memoryview::from_memory`` for a simple 1D contiguous buffer:
             buffer,               // buffer pointer
             sizeof(uint8_t) * 8   // buffer size
         );
-    })
+    });
 
 .. versionchanged:: 2.6
     ``memoryview::from_memory`` added.