Add gitignore entries for Windows MSVC builds

.gitignore

@@ -17,8 +17,14 @@ objfiles.txt
 *.gcov
 *.gcov.out
 lcov.info
+*.vcproj
+win32ver.rc
 
 # Local excludes in root directory
 /GNUmakefile
 /config.log
 /config.status
+/pgsql.sln
+/pgsql.sln.cache
+/Debug/
+/Release/

src/interfaces/ecpg/compatlib/.gitignore

+/compatlib.def
 /libecpg_compatdll.def
 /libecpg_compatddll.def
 /blibecpg_compatdll.def

src/interfaces/ecpg/ecpglib/.gitignore

+/ecpglib.def
 /libecpgdll.def
 /libecpgddll.def
 /blibecpgdll.def

src/interfaces/ecpg/pgtypeslib/.gitignore

+/pgtypeslib.def
 /libpgtypesdll.def
 /libpgtypesddll.def
 /blibpgtypesdll.def

src/interfaces/libpq/.gitignore

@@ -17,3 +17,5 @@
 /ip.c
 /encnames.c
 /wchar.c
+/libpqdll.def
+/libpq.rc