Fix compiler warnings that arise if the PAGERTRACE macro is turned on.

This changes does not affect production builds.

FossilOrigin-Name: 831156a4bd7c4408085f7c5584cdeebd1953c539972f80c5ef29bc147008630e

manifest

@@ -1,5 +1,5 @@
-C Improved\scomments\sin\sthe\sheader\sof\sthe\sLSM1\svtab\smodule.\s\sNo\scode\schanges.
-D 2017-08-11T18:55:04.223
+C Fix\scompiler\swarnings\sthat\sarise\sif\sthe\sPAGERTRACE\smacro\sis\sturned\son.\nThis\schanges\sdoes\snot\saffect\sproduction\sbuilds.
+D 2017-08-11T18:59:00.035
 F Makefile.in d9873c9925917cca9990ee24be17eb9613a668012c85a343aef7e5536ae266e8
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 02b469e9dcd5b7ee63fc1fb05babc174260ee4cfa4e0ef2e48c3c6801567a016
@@ -440,7 +440,7 @@ F src/os_setup.h 0dbaea40a7d36bf311613d31342e0b99e2536586
 F src/os_unix.c a361273749229755f92c8f0e3e4855054ad39bbc5c65773e8db5d0b79afa632c
 F src/os_win.c 964165b66cde03abc72fe948198b01be608436894732eadb94c8720d2467f223
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
-F src/pager.c 1e63b0299cf123cf38c48413ec03190f56c1e7d0ccc6573c467d8ac240b898e9
+F src/pager.c 6f2ae58c0d4ddf510d324cb2ec38f471b5cff8f3e061afd32717ad790685cc7f
 F src/pager.h f2a99646c5533ffe11afa43e9e0bea74054e4efa
 F src/parse.y 52ef3cecd0934e9da4a45b585883a03243ad615d338ad94f44501a05891dcdfa
 F src/pcache.c 62835bed959e2914edd26afadfecce29ece0e870
@@ -1646,7 +1646,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P cb0c49cbd1eede157c5bd60d1e28e02c642aefe1ff82553eac1117a4c73dd9db
-R 8d1a056831428b20b6dc3b09220edf6a
+P aa49926dbffaae4f7c486be72ad814f381cca65c549f9d2605f47540a5f4be84
+R d8063074df6e7dea7a8298073c2e62a5
 U drh
-Z c982f528c544d237fc58dcab35ec725f
+Z 445b2c6d99e984c3a2a0aca154b718db

manifest.uuid

@@ -1 +1 @@
-aa49926dbffaae4f7c486be72ad814f381cca65c549f9d2605f47540a5f4be84
+831156a4bd7c4408085f7c5584cdeebd1953c539972f80c5ef29bc147008630e

src/pager.c

@@ -128,8 +128,8 @@ int sqlite3PagerTrace=1;  /* True to enable tracing */
 ** associated file-descriptor is returned. FILEHANDLEID() takes an sqlite3_file
 ** struct as its argument.
 */
-#define PAGERID(p) ((int)(p->fd))
-#define FILEHANDLEID(fd) ((int)fd)
+#define PAGERID(p) (SQLITE_PTR_TO_INT(p->fd))
+#define FILEHANDLEID(fd) (SQLITE_PTR_TO_INT(fd))
 
 /*
 ** The Pager.eState variable stores the current 'state' of a pager. A