Remove =+1 -> =1 since mcstas-pygen -> McStasscript may experience issues in e.g. instr.show_diagram(analysis=True)

Author: willend

mcstas-comps/contrib/ISIS_moderator.comp

@@ -55,7 +55,7 @@
 DEFINE COMPONENT ISIS_moderator
 
 SETTING PARAMETERS (string Face="hydrogen", Emin = 49.0,Emax = 51.0, dist = 1.0, focus_xw = 0.01,
-focus_yh = 0.01, xwidth = 0.074, yheight = 0.074, CAngle = 0.0,SAC= 1, Lmin=0, Lmax=0, int target_index=+1, verbose=0)
+focus_yh = 0.01, xwidth = 0.074, yheight = 0.074, CAngle = 0.0,SAC= 1, Lmin=0, Lmax=0, int target_index=1, verbose=0)
 
 /* Neutron parameters: (x,y,z,vx,vy,vz,t,sx,sy,sz,p) */