bump to 15.2.1

Author: Bruno02468

Source/Modules/MYSTRAN_Version.f90

@@ -35,7 +35,7 @@ MODULE MYSTRAN_Version
       SAVE
 
       CHARACTER(256*BYTE)            :: MYSTRAN_COMMENT  = '*** Please report any problems to mystransolver@gmail.com ***'
-      CHARACTER(  8*BYTE), PARAMETER :: MYSTRAN_VER_NUM  = '15.2.0'
+      CHARACTER(  8*BYTE), PARAMETER :: MYSTRAN_VER_NUM  = '15.2.1'
       CHARACTER(  3*BYTE), PARAMETER :: MYSTRAN_VER_MONTH= 'Apr'
       CHARACTER(  2*BYTE), PARAMETER :: MYSTRAN_VER_DAY  = '07'
       CHARACTER(  4*BYTE), PARAMETER :: MYSTRAN_VER_YEAR = '2024'