add @peterschrammel as code owner to /src/solvers/floatbv

Author: kroening

Diff for: CODEOWNERS

@@ -24,7 +24,7 @@
 /src/langapi/ @kroening @tautschnig @peterschrammel
 /src/xmllang/ @kroening @tautschnig @peterschrammel
 /src/solvers/flattening @martin-cs @kroening @tautschnig @peterschrammel
-/src/solvers/floatbv @martin-cs @kroening
+/src/solvers/floatbv @martin-cs @kroening @peterschrammel
 /src/solvers/miniBDD @tautschnig @kroening
 /src/solvers/prop @martin-cs @kroening @tautschnig @peterschrammel
 /src/solvers/sat @martin-cs @kroening @tautschnig @peterschrammel