i18n: Fix problem with break lines in strings extractor
i18n: Fix problem with break lines in strings extractor

FEA: ItEr76S04BugFixing

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