Minor logic fix for new levenshtein implementation.

Alexander Korotkov

contrib/fuzzystrmatch/Makefile

@@ -16,3 +16,6 @@ top_builddir = ../..
 include $(top_builddir)/src/Makefile.global
 include $(top_srcdir)/contrib/contrib-global.mk
 endif
+
+# levenshtein.c is #included by fuzzystrmatch.c
+fuzzystrmatch.o: fuzzystrmatch.c levenshtein.c

contrib/fuzzystrmatch/levenshtein.c

@@ -377,7 +377,7 @@ levenshtein_internal(text *s, text *t,
 				prev[start_column] = max_d + 1;
 				curr[start_column] = max_d + 1;
 				if (start_column != 0)
-					s_data += s_char_len != NULL ? s_char_len[i - 1] : 1;
+					s_data += (s_char_len != NULL) ? s_char_len[start_column - 1] : 1;
 				start_column++;
 			}