[i18n] Fixed typo in Spanish translation.
[i18n] Fixed typo in Spanish translation.

FEA: ItEr75S04BugFixing

Marine-22/libre,Marine-22/libre,LibrePlan/libreplan,PaulLuchyn/libreplan,dgray16/libreplan,poum/libreplan,Marine-22/libre,poum/libreplan,skylow95/libreplan,skylow95/libreplan,PaulLuchyn/libreplan,skylow95/libreplan,PaulLuchyn/libreplan,Marine-22/libre,PaulLuchyn/libreplan,PaulLuchyn/libreplan,dgray16/libreplan,poum/libreplan,dgray16/libreplan,LibrePlan/libreplan,Marine-22/libre,LibrePlan/libreplan,PaulLuchyn/libreplan,dgray16/libreplan,PaulLuchyn/libreplan,LibrePlan/libreplan,LibrePlan/libreplan,skylow95/libreplan,dgray16/libreplan,dgray16/libreplan,LibrePlan/libreplan,Marine-22/libre,skylow95/libreplan,skylow95/libreplan,poum/libreplan,dgray16/libreplan,poum/libreplan,poum/libreplan,LibrePlan/libreplan