Cleanup of <> and ""

src/bin/pgtclsh/pgtclAppInit.c

src/bin/pgtclsh/pgtkAppInit.c

src/interfaces/cli/example1.c

src/interfaces/cli/example2.c

src/interfaces/ecpg/include/ecpglib.h

src/interfaces/ecpg/lib/connect.c

src/interfaces/ecpg/lib/data.c

src/interfaces/ecpg/lib/descriptor.c

src/interfaces/ecpg/lib/error.c

src/interfaces/ecpg/lib/execute.c

src/interfaces/ecpg/lib/extern.h

src/interfaces/ecpg/lib/memory.c

src/interfaces/ecpg/lib/misc.c

src/interfaces/ecpg/lib/prepare.c

src/interfaces/ecpg/lib/typename.c

src/interfaces/ecpg/preproc/type.h

src/interfaces/libpgeasy/examples/pginsert.c

src/interfaces/libpgeasy/examples/pgnulltest.c

src/interfaces/libpgeasy/examples/pgwordcount.c

src/interfaces/libpgeasy/libpgeasy.c