[char.traits.typedefs] Change 'shall meet' to 'meets'

Author: jensmaurer

source/strings.tex

@@ -225,8 +225,7 @@
 \begin{itemdescr}
 \pnum
 \expects
-\tcode{state_type}
-shall meet the
+\tcode{state_type} meets the
 \oldconcept{Destructible} (\tref{destructible}),
 \oldconcept{CopyAssignable} (\tref{copyassignable}),
 \oldconcept{CopyConstructible} (\tref{copyconstructible}), and