Fix harmless compiler warning.

FossilOrigin-Name: 3286e1a07b0693049a07f0865bf93749c461ea8f6d1175ec2d1642886673d8ac

manifest

@@ -1,5 +1,5 @@
-C Enhance\sthe\slike\soptimization\sso\sthat\sit\sworks\swith\san\sESCAPE\sclause.
-D 2017-07-27T20:24:29.258
+C Fix\sharmless\scompiler\swarning.
+D 2017-07-28T22:13:26.143
 F Makefile.in d9873c9925917cca9990ee24be17eb9613a668012c85a343aef7e5536ae266e8
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 02b469e9dcd5b7ee63fc1fb05babc174260ee4cfa4e0ef2e48c3c6801567a016
@@ -417,7 +417,7 @@ F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
 F src/insert.c b88a58ff7eb99365b3ff163a5771c7e5db09f43997a8c5303588056ab33bc4eb
 F src/legacy.c 134ab3e3fae00a0f67a5187981d6935b24b337bcf0f4b3e5c9fa5763da95bf4e
 F src/loadext.c 20865b183bb8a3723d59cf1efffc3c50217eb452c1021d077b908c94da26b0b2
-F src/main.c 5edd1774438f3b83d5a83b9ff0aee660d5752089ad768961ff10d80cae7a9ba1
+F src/main.c 42f6a2660c7a1d643cc7e863d2dcd630c6aa1e8343f5478b0592120ab84c97ba
 F src/malloc.c e20bb2b48abec52d3faf01cce12e8b4f95973755fafec98d45162dfdab111978
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c c12a42539b1ba105e3707d0e628ad70e611040d8f5e38cf942cee30c867083de
@@ -1637,7 +1637,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 0645f25c79c1b2af1fd3a02b44090329d456e373d91f6c284b8fbcb929e03a5d
-R a1b40de685cc5a3c342ce6c1e88c465d
-U drh
-Z 1c2383ec54a238a2bc71d05955866da3
+P f5d330f495d07a704e115595bbdf5422ddb68fd8191114c5a12c9c873d983f7c
+R 52c41da07e87e817b0e7a61462870900
+U mistachkin
+Z 7aff7bef71ab9d5a20c01c7b7861ab02

manifest.uuid

@@ -1 +1 @@
-f5d330f495d07a704e115595bbdf5422ddb68fd8191114c5a12c9c873d983f7c
+3286e1a07b0693049a07f0865bf93749c461ea8f6d1175ec2d1642886673d8ac

src/main.c

@@ -824,7 +824,7 @@ int sqlite3_db_config(sqlite3 *db, int op, ...){
         if( aFlagOp[i].op==op ){
           int onoff = va_arg(ap, int);
           int *pRes = va_arg(ap, int*);
-          int oldFlags = db->flags;
+          u32 oldFlags = db->flags;
           if( onoff>0 ){
             db->flags |= aFlagOp[i].mask;
           }else if( onoff==0 ){