[re.results.general, string.cons] Fix references to container reqmts

[re.results.general] should refer to [container.alloc.reqmts] for an
allocator-aware container, [strings.cons] should refer to sequence
container requirements.

Author: jwakely

source/regex.tex

@@ -2132,7 +2132,7 @@
 \indextext{requirements!sequence}%
 The class template \tcode{match_results} meets the requirements of an
 allocator-aware container and of
-a sequence container\iref{container.requirements.general,sequence.reqmts}
+a sequence container\iref{container.alloc.reqmts,sequence.reqmts}
 except that only
 copy assignment,
 move assignment, and

source/strings.tex

@@ -2725,7 +2725,7 @@
 \begin{itemdescr}
 \pnum
 \effects
-Move assigns as a sequence container\iref{container.requirements},
+Move assigns as a sequence container\iref{sequence.reqmts},
 except that iterators, pointers and references may be invalidated.
 
 \pnum