fixed ancestor labelling

module1_2/inputData/project-legumes8/Genomes.txt

 #genomeID	genomeName	ancestor	numChr
 64965	Vitis	1	19
-64962	Prunus	2	8
-64734	Quillaja	3	14
-64742	Cercis	4	7
-64767	Sindora	5	13
-64768	Senna	6	13
-64963	Phaseolus	7	11
-64964	Medicago	7	8
+64962	Prunus	1	8
+64734	Quillaja	2	14
+64742	Cercis	3	7
+64767	Sindora	4	12
+64768	Senna	5	13
+64963	Phaseolus	6	11
+64964	Medicago	6	8