Replaced strcpy with a safe function.

leocad.pro

@@ -219,6 +219,7 @@ SOURCES += \
 	common/lc_propertieswidget.cpp \
 	common/lc_scene.cpp \
 	common/lc_shortcuts.cpp \
+	common/lc_string.cpp \
 	common/lc_stringcache.cpp \
 	common/lc_synth.cpp \
 	common/lc_texture.cpp \
@@ -230,7 +231,6 @@ SOURCES += \
 	common/lc_viewsphere.cpp \
 	common/lc_viewwidget.cpp \
 	common/lc_zipfile.cpp \
-	qt/system.cpp \
 	qt/qtmain.cpp \
 	qt/lc_qeditgroupsdialog.cpp \
 	qt/lc_qselectdialog.cpp \
@@ -298,6 +298,7 @@ HEADERS += \
 	common/lc_propertieswidget.h \
 	common/lc_scene.h \
 	common/lc_shortcuts.h \
+	common/lc_string.h \
 	common/lc_stringcache.h \
 	common/lc_synth.h \
 	common/lc_texture.h \