Unify OpenMP and non-OpenMP code in effects.c
Unify OpenMP and non-OpenMP code in effects.c

Instead of two separate code blocks for processing non-MCHAN effects
in flow_effect(), with and without OpenMP, use common code for both.

jacksonh/sox,jacksonh/sox,cbagwell/sox,jacksonh/sox,MageSlayer/sox,uklauer/sox,uklauer/sox,cbagwell/sox,Motiejus/sox,uklauer/sox,cbagwell/sox,cbagwell/sox,pcqpcq/sox,uklauer/sox,jacksonh/sox,Motiejus/sox,pcqpcq/sox,MageSlayer/sox,Motiejus/sox,Motiejus/sox,mhartzel/sox_personal_fork,pcqpcq/sox,CaptainHayashi/sox,MageSlayer/sox,CaptainHayashi/sox,pcqpcq/sox,MageSlayer/sox,mhartzel/sox_personal_fork,mhartzel/sox_personal_fork,CaptainHayashi/sox,CaptainHayashi/sox,mhartzel/sox_personal_fork,MageSlayer/sox