Bug Fix: <dynarray>, not <dynamic_array> in header overview.

Author: Stefanus Du Toit

source/headers

@@ -8,7 +8,7 @@ codecvt
 complex
 condition_variable
 deque
-dynamic_array
+dynarray
 exception
 forward_list
 fstream

source/lib-intro.tex

@@ -1017,7 +1017,7 @@
 \tcode{<streambuf>} &
 \tcode{<utility>} \\
 
-\tcode{<dynamic_array>} &
+\tcode{<dynarray>} &
 \tcode{<istream>} &
 \tcode{<ostream>} &
 \tcode{<string>} &