[utilities.general] Update reference to bitset section and add missing \rowsep

Author: tkoeppe

source/utilities.tex

@@ -16,9 +16,9 @@
 \ref{optional}              & Optional objects                  & \tcode{<optional>}    \\ \rowsep
 \ref{variant}               & Variants                          & \tcode{<variant>}     \\ \rowsep
 \ref{any}                   & Storage for any type              & \tcode{<any>}         \\ \rowsep
-\ref{template.bitset}       & Fixed-size sequences of bits      & \tcode{<bitset>}      \\ \rowsep
+\ref{bitset}                & Fixed-size sequences of bits      & \tcode{<bitset>}      \\ \rowsep
 \ref{memory}                & Memory                            & \tcode{<memory>}      \\
-                            &                                   & \tcode{<cstdlib>}     \\
+                            &                                   & \tcode{<cstdlib>}     \\ \rowsep
 \ref{smartptr}              & Smart pointers                    & \tcode{<memory>}      \\ \rowsep
 \ref{mem.res}               & Memory resources                  & \tcode{<memory_resource>} \\ \rowsep
 \ref{allocator.adaptor}     & Scoped allocators                 & \tcode{<scoped_allocator>} \\ \rowsep