Fix compilation failure of i386-netbsd target after last commit

git-svn-id: trunk@47230 -

rtl/netbsd/i386/sighnd.inc

@@ -76,7 +76,7 @@ begin
                 res:=205
               else if FpuState = FPE_FltUnd then
                 res:=206
-              else if FpuState and FPU_Denormal)<>0 then
+              else if (FpuState and FPU_Denormal)<>0 then
                 res:=207
               else if FpuState = FPE_FltSub then
                 res:=207