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Silences gcc warning

warning: expression does not compute the number of elements in this array
Seems like gcc thinks we're trying to get the number of elements in our
array or something like that. It then suggests adding parentheses to
silence the warning.

--- a/celt/stack_alloc.h

+++ b/celt/stack_alloc.h

@@ -141,7 +141,7 @@

 #else

 #define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))

-#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)/sizeof(char)),(stack)+=(size)*(sizeof(type)/sizeof(char)),(type*)((stack)-(size)*(sizeof(type)/sizeof(char))))

+#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)/(sizeof(char))),(stack)+=(size)*(sizeof(type)/(sizeof(char))),(type*)((stack)-(size)*(sizeof(type)/(sizeof(char)))))

 #if 0 /* Set this to 1 to instrument pseudostack usage */

 #define RESTORE_STACK (printf("%ld %s:%d\n", global_stack-scratch_ptr, __FILE__, __LINE__),global_stack = _saved_stack)

 #else

-- 

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