Space formatting

Signed-off-by: Shivanth <[email protected]>

prometheus/histogram.go

@@ -1915,7 +1915,7 @@ func NewConstNativeHistogram(
 		return nil, err
 	}
 	if schema > nativeHistogramSchemaMaximum || schema < nativeHistogramSchemaMinimum {
-		return nil, fmt.Errorf("invalid native histogram schema ")
+		return nil, fmt.Errorf("invalid native histogram schema")
 	}
 	if err := validateCount(sum, count, negativeBuckets, positiveBuckets, zeroBucket); err != nil {
 		return nil, err