Fix: Missing generic translation

htdocs/langs/en_US/main.lang

@@ -300,6 +300,8 @@ TotalHT=Total (net of tax)
 TotalTTC=Total (inc. tax)
 TotalTTCToYourCredit=Total (inc. tax) to your credit
 TotalVAT=Total tax
+TotalLT1=Total tax 2
+TotalLT2=Total tax 3
 TotalLT1ES=Total RE
 TotalLT2ES=Total IRPF
 IncludedVAT=Included tax

htdocs/langs/fr_FR/main.lang

@@ -302,6 +302,8 @@ TotalHT=Total HT
 TotalTTC=Total TTC
 TotalTTCToYourCredit=Total TTC à votre crédit
 TotalVAT=Total TVA
+TotalLT1=Total Taxe 2
+TotalLT2=Total Taxe 3
 TotalLT1ES=Total RE
 TotalLT2ES=Total IRPF
 IncludedVAT=Dont TVA