HPCC-12885 Fix spelling of variant

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>

common/workunit/workunit.cpp

@@ -451,7 +451,7 @@ private:
                 if (measure == SMeasureSkew)
                 {
                     //Minimum stats were always output as +ve numbers
-                    if (queryStatsVarient(kind) == StSkewMin)
+                    if (queryStatsVariant(kind) == StSkewMin)
                         value = -value;
 
                     target->setPropInt64(legacyTreeTag, value/100);

system/jlib/jstats.cpp

@@ -520,8 +520,8 @@ static const StatisticMeta statsMetaData[StMax] = {
 
 StatisticMeasure queryMeasure(StatisticKind kind)
 {
-    unsigned varient = queryStatsVarient(kind);
-    switch (varient)
+    unsigned variant = queryStatsVariant(kind);
+    switch (variant)
     {
     case StSkew:
     case StSkewMin:

system/jlib/jstats.h

@@ -181,7 +181,7 @@ enum StatisticKind
 
 };
 
-inline StatisticKind queryStatsVarient(StatisticKind kind) { return (StatisticKind)(kind & ~StKindMask); }
+inline StatisticKind queryStatsVariant(StatisticKind kind) { return (StatisticKind)(kind & ~StKindMask); }
 
 //---------------------------------------------------------------------------------------------------------------------