[linalg.reqs.alg] Add missing hyphen in "floating point"

Author: eisenwave

source/numerics.tex

@@ -11902,7 +11902,7 @@
 the \tcode{value_type} is a floating-point type,
 implementers are free to leverage approximations,
 use arithmetic operations not explicitly listed above, and
-compute floating point sums in any way that improves their accuracy.
+compute floating-point sums in any way that improves their accuracy.
 \end{note}
 
 \pnum