Philippe 21/11/2019: OpenACC: disable some declare copyin (workaround for PGI compiler crash)

src/MNH/rain_ice.f90

@@ -464,8 +464,8 @@ LOGICAL :: GPRESENT_PFPR,GPRESENT_PSEA
 !$acc &           ZT,      &
 !$acc &           I1,I2,I3 )
 #else
-#if 1
-!Disabled if PGI 19.5 bug (crash of the compiler)
+#if 0
+!Disabled if PGI 19.5 to 19.10 bug (crash of the compiler)
 !$acc declare copyin(XCI, XCL, XCPD, XCPV, XLSTT, XLVTT, XTT, &
 !$acc &                          XALPI, XBETAI, XGAMI, XMD, XMV, XTT,&
 ! !$acc &                        LLES_CALL,&