Rename misnomer POP_CHAR to PEEK_CHAR. While parsing token data, we use the POP_CHAR macro to 'peek' at character data. This behaviour is noted in the comments for the macro, yet the definition is left as 'pop'. Changing to PEEK_CHAR does not imply that the character being observed is removed.
Rename misnomer POP_CHAR to PEEK_CHAR.
While parsing token data, we use the POP_CHAR macro to 'peek' at
character data. This behaviour is noted in the comments for the macro,
yet the definition is left as 'pop'. Changing to PEEK_CHAR does not
imply that the character being observed is removed.

UAVmatrix/json-c,Nzbuu/json-c,chenha0/json-c,haoranzeus/json-c,Distrotech/json-c,UAVmatrix/json-c,colemancda/json-c,PureSwift/json-c,Distrotech/json-c,haoranzeus/json-c,chenha0/json-c,PureSwift/json-c,Nzbuu/json-c,cubieb/json-c,servkey/libjson,cubieb/json-c,alagoutte/json-c,CyanogenMod/android_external_json-c,CyanogenMod/android_external_json-c,servkey/libjson,CyanogenMod/android_external_json-c,alagoutte/json-c,servkey/libjson,Distrotech/json-c,chenha0/json-c,Amineahd/json-c,rgerhards/json-c,Nzbuu/json-c,PureSwift/json-c,alagoutte/json-c,haoranzeus/json-c,colemancda/json-c,UAVmatrix/json-c,CyanogenMod/android_external_json-c,cubieb/json-c,UAVmatrix/json-c,Amineahd/json-c,PureSwift/json-c,Nzbuu/json-c,rgerhards/json-c,colemancda/json-c,Amineahd/json-c,Distrotech/json-c,rgerhards/json-c