tweaks: swap two parts of specific regexes, for consistency with others

This order makes more sense to me: first the part that allows
almost everything, and then the special case.

syntax/extra/fortran.nanorc

@@ -34,7 +34,7 @@ icolor yellow "\<(.or.|repeat|select case|then|where|while)\>"
 icolor magenta "\<(continue|cycle|exit|go?to|result|return)\>"
 
 # Strings.
-color yellow ""(\\.|[^"\])*""
+color yellow ""([^"\]|\\.)*""
 
 # Comments.
 color blue "!.*"

syntax/extra/gentoo.nanorc

@@ -41,7 +41,7 @@ color blue "\<(awk|cat|cd|chmod|chown|cp|echo|env|find|e?grep|ln|make|mkdir|mv|p
 ## Comments (doesn't work that well):
 color yellow "(^|[[:space:]])#.*"
 ## Strings (doesn't work that well):
-color brightyellow ""(\\.|[^"\])*"|'(\\.|[^'\])*'"
+color brightyellow ""([^"\]|\\.)*"|'([^'\]|\\.)*'"
 ## Trailing space is bad!
 color ,green "[[:space:]]+$"
 ## Mixed whitespace is also bad.