Don't remove trailing spaces

tds_fdw-trailing-spaces.patch

diff --git a/src/tds_fdw.c b/src/tds_fdw.c
index 7976c3b..64b6a0c 100644
--- a/src/tds_fdw.c
+++ b/src/tds_fdw.c
@@ -989,7 +989,7 @@ char* tdsConvertToCString(DBPROCESS* dbproc, int srctype, const BYTE* src, DBINT
                case SYBVARCHAR:
                case SYBTEXT:
                        real_destlen = srclen + 1; /* the size of the array */
-                       destlen = -1; /* the size to pass to dbconvert (-1 means to null terminate it) */
+                       destlen = -2; /* the size to pass to dbconvert (-2 means to null terminate it) */
                        desttype = SYBCHAR;
                        break;
                case SYBBINARY:
@@ -1068,7 +1068,7 @@ char* tdsConvertToCString(DBPROCESS* dbproc, int srctype, const BYTE* src, DBINT
 
                default:
                        real_destlen = 1000; /* Probably big enough */
-                       destlen = -1; 
+                       destlen = -2;
                        desttype = SYBCHAR;
                        break;
        }