updated for version 7.0091
diff --git a/src/screen.c b/src/screen.c
index 6fb5931..595058a 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -2504,8 +2504,8 @@
int has_spell = FALSE; /* this buffer has spell checking */
# define SPWORDLEN 150
char_u nextline[SPWORDLEN * 2];/* text with start of the next line */
- int nextlinecol; /* column where nextline[] starts */
- int nextline_idx; /* index in nextline[] where next line
+ int nextlinecol = 0; /* column where nextline[] starts */
+ int nextline_idx = 0; /* index in nextline[] where next line
starts */
int spell_attr = 0; /* attributes desired by spelling */
int word_end = 0; /* last byte with same spell_attr */