fix linter error

Author: gbencedi

PWGMM/Mult/Tasks/dndetaMFTPbPb.cxx

@@ -90,6 +90,8 @@ using namespace o2::aod::rctsel;
 
 auto static constexpr CminCharge = 3.f;
 auto static constexpr CintZero = 0;
+auto static constexpr CintOne = 1;
+auto static constexpr CintTwo = 2;
 auto static constexpr Czero = 0.f;
 auto static constexpr Cninety = 90.f;
 auto static constexpr ConeHeighty = 180.f;
@@ -4969,9 +4971,9 @@ struct DndetaMFTPbPb {
 
                 if (gConf.cfgDCAtype == 0) {
                   dcaInfo[0] = dcaInfOrig[0];
-                } else if (gConf.cfgDCAtype == 1) {
+                } else if (gConf.cfgDCAtype == CintOne) {
                   dcaInfo[0] = dcaInfOrig[1];
-                } else if (gConf.cfgDCAtype == 2) {
+                } else if (gConf.cfgDCAtype == CintTwo) {
                   dcaInfo[0] = std::sqrt(dcaInfOrig[0] * dcaInfOrig[0] + dcaInfOrig[1] * dcaInfOrig[1]);
                 }
                 dcaInfo[1] = dcaInfOrig[2];