libstdc++: Remove spaces before function parameter list

libstdc++: Remove spaces before function parameter list

We don't use this GCC coding convention in libstdc++.

libstdc++-v3/ChangeLog:

	* include/bits/basic_string.h (basic_string::size): Remove space
	before parameter list.
	(basic_string::capacity): Likewise.
	* include/bits/stl_deque.h (deque::size): Likewise.
	* include/bits/stl_vector.h (vector::size, vector::capacity):
	Likewise.
	* include/bits/vector.tcc (vector::_M_realloc_insert): Likewise.
	(vector::_M_realloc_append): Likewise.